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Home >  Chemical Encyclopedia > Miscellaneous > Chemical Reagents > Aromatic Compounds > 2,6-dimethylaniline,hydrochloride
21436-98-6 structure, C8H12ClN
2,6-dimethylaniline,hydrochloride
CAS No.: 21436-98-6 Formula: C8H12ClN Molecular Weight: 157.64100
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2,6-dimethylaniline,hydrochloride

CAS No.:

21436-98-6

Formula:

C8H12ClN

Molecular Weight: 157.64100
Suppliers: All (28) China Suppliers (14) Price Available (6) Contractor(0)

Description

2,6-Dimethylaniline Hydrochloride is chemical reagent frequently used in the synthesis of pharmaceutical compounds. Impurity of Ropivacaine, anesthetic (local).

Numbering system

RTECS number ZF0375000

Properties

Boiling Point

217.9oC at 760mmHg

Melting Point

11.2oC

Flash Point

91.1oC

Vapor Pressure

0.13mmHg at 25°C

Safety Info

Safety Statements

S26; S36/37/39

HS Code

2923900090

Risk Statements

R36/37/38

SDS 1.0

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SDS 1.0

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SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 11, 2017

Revision Date: Aug 11, 2017

1.Identification

1.1 GHS Product identifier

Product name 2,6-dimethylaniline,hydrochloride

1.2 Other means of identification

Product number -
Other names 2,6-Dimethylanilin-hydrochlorid

1.3 Recommended use of the chemical and restrictions on use

Identified uses For industry use only.
Uses advised against no data available

1.4 Supplier's details

Company MOLBASE (Shanghai) Biotechnology Co., Ltd.
Address Floor 4 & 5, Building 12, No. 1001 North Qinzhou Road,
Xuhui District, Shanghai, China
Telephone +86(21)64956998
Fax +86(21)54365166

1.5 Emergency phone number

Emergency phone number +86-400-6021-666
Service hours Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

2.Hazard identification

2.1 Classification of the substance or mixture

no data available

2.2 GHS label elements, including precautionary statements

Pictogram(s) no data available
Signal word

no data available

Hazard statement(s)

no data available

Precautionary statement(s)
Prevention

no data available

Response

no data available

Storage

no data available

Disposal

no data available

2.3 Other hazards which do not result in classification

no data available

3.Composition/information on ingredients

3.1 Substances

Chemical name Common names and synonyms CAS number EC number Concentration
2,6-dimethylaniline,hydrochloride 2,6-dimethylaniline,hydrochloride 21436-98-6 none 100%

4.First-aid measures

4.1 Description of necessary first-aid measures

General advice

Consult a physician. Show this safety data sheet to the doctor in attendance.

If inhaled

If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.

In case of skin contact

Wash off with soap and plenty of water. Consult a physician.

In case of eye contact

Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.

If swallowed

Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.

4.2 Most important symptoms/effects, acute and delayed

no data available

4.3 Indication of immediate medical attention and special treatment needed, if necessary

Immediate First Aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand-valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR if necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. /Aromatic hydrocarbons and related compounds/

5.Fire-fighting measures

5.1 Extinguishing media

Suitable extinguishing media

Suitable extinguishing media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.

5.2 Specific hazards arising from the chemical

no data available

5.3 Special protective actions for fire-fighters

Wear self-contained breathing apparatus for firefighting if necessary.

6.Accidental release measures

6.1 Personal precautions, protective equipment and emergency procedures

Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust. For personal protection see section 8.

6.2 Environmental precautions

Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided.

6.3 Methods and materials for containment and cleaning up

ACCIDENTAL RELEASE MEASURES: Personal precautions, protective equipment and emergency procedures: Use personal protective equipment. Avoid breathing vapors, mist or gas. Ensure adequate ventilation. Remove all sources of ignition. Evacuate personnel to safe areas. Beware of vapors accumulating to form explosive concentrations. Vapors can accumulate in low areas. Environmental precautions: Prevent further leakage or spillage if safe to do so. Do not let product enter drains. Discharge into the environment must be avoided. Methods and materials for containment and cleaning up: Contain spillage, and then collect with an electrically protected vacuum cleaner or by wet-brushing and place in container for disposal according to local regulations. Keep in suitable, closed containers for disposal.

7.Handling and storage

7.1 Precautions for safe handling

Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Avoid exposure - obtain special instructions before use.Provide appropriate exhaust ventilation at places where dust is formed. For precautions see section 2.2.

7.2 Conditions for safe storage, including any incompatibilities

Keep container tightly closed in a dry and well-ventilated place. Containers which are opened must be carefully resealed and kept upright to prevent leakage.

8.Exposure controls/personal protection

8.1 Control parameters

Occupational Exposure limit values

Recommended Exposure Limit: 10-hour Time-Weighted Average: 2 ppm (10 mg/cu m). Skin.

Biological limit values

no data available

8.2 Appropriate engineering controls

Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and at the end of workday.

8.3 Individual protection measures, such as personal protective equipment (PPE)

Eye/face protection

Safety glasses with side-shields conforming to EN166. Use equipment for eye protection tested and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).

Skin protection

Wear impervious clothing. The type of protective equipment must be selected according to the concentration and amount of the dangerous substance at the specific workplace. Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique(without touching glove's outer surface) to avoid skin contact with this product. Dispose of contaminated gloves after use in accordance with applicable laws and good laboratory practices. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

Respiratory protection

Wear dust mask when handling large quantities.

Thermal hazards

no data available

9.Physical and chemical properties

Physical state no data available
Colour Yellow liquid
Odour Characteristic odor
Melting point/ freezing point 188°C(lit.)
Boiling point or initial boiling point and boiling range 131°C/2.5mmHg(lit.)
Flammability no data available
Lower and upper explosion limit / flammability limit no data available
Flash point 57°C(lit.)
Auto-ignition temperature 520°C
Decomposition temperature no data available
pH no data available
Kinematic viscosity 1.7 mPa.s (dynamic) at 50°C
Solubility In water, 8240 ppm at 25°C
Partition coefficient n-octanol/water (log value) log Kow = 1.84
Vapour pressure 0.13mmHg at 25°C
Density and/or relative density 0.9842 g/cu cm at 20°C
Relative vapour density 4.2 (Air = 1)
Particle characteristics no data available

10.Stability and reactivity

10.1 Reactivity

no data available

10.2 Chemical stability

Stable under recommended storage conditions.

10.3 Possibility of hazardous reactions

This chemical is a combustible liquid. /Xylidines/

10.4 Conditions to avoid

no data available

10.5 Incompatible materials

Incompatible materials: Acids, acid chlorides, acid anhydrides, oxidizing agents, chloroformates, halogens.

10.6 Hazardous decomposition products

When heated to decomposition it emits toxic fumes of /nitrogen oxides/.

11.Toxicological information

Acute toxicity

  • Oral: LD50 Rat oral 840 mg/kg
  • Inhalation: no data available
  • Dermal: no data available

Skin corrosion/irritation

no data available

Serious eye damage/irritation

no data available

Respiratory or skin sensitization

no data available

Germ cell mutagenicity

no data available

Carcinogenicity

Evaluation: There is inadequate evidence in humans for the carcinogenicity of 2,6-dimethylaniline. There is sufficient evidence in experimental animals for the carcinogenicity of 2,6-dimethylaniline. Overall evaluation: 2,6-dimethylaniline is possibly carcinogenic to humans (Group 2B).

Reproductive toxicity

no data available

STOT-single exposure

no data available

STOT-repeated exposure

no data available

Aspiration hazard

no data available

12.Ecological information

12.1 Toxicity

  • Toxicity to fish: no data available
  • Toxicity to daphnia and other aquatic invertebrates: no data available
  • Toxicity to algae: no data available
  • Toxicity to microorganisms: no data available

12.2 Persistence and degradability

AEROBIC: A Warburg respirometer study utilizing an activated sludge seed and 6 hr of incubation resulted in a 2,6-xylidine depletion of 33-37% at a concentration of 20 ppm(1). In a 6 week soil degradation study using (14)C-labelled 2,6-xylidine, 8.4% of applied radioactivity was recovered via CO2 evolution in non-autoclaved soil while 0% CO2 evolution occurred in autoclaved soil(2). In a soil degradation study conducted in glass vessels using Chernozem soil, 2,6-xylidine (at 500 mg/L) was degraded after 3 days of incubation with >90% recovered in transformation products(3). Using OECD Guideline 301F (Ready Biodegradability: Manometric Respirometry Test), 2,6-xylidine (at 100 mg/L) reached 4, 8, 25, 38 and 69% of its theoretical BOD after 7, 13, 36, 42 and 70 days. respectively(4); these results indicated that 2,6-xylidine was not readily biodegradable according to OECD criteria, however, it is biodegradable after extended adaptation(4). In another OECD Guideline 301F study, 2,6-xylidine (at 100 mg/L) showed no bidegradation after 33 day(4). Using OECD Guideline 302B (Inherent biodegradability: Zahn-Wellens/EMPA Test) and an industrial activated sludge seed, 83% of initial 2,6-xylidine was removed from the aqueous test system after 11 days, however, the substance was mainly removed via volatilization(4). 2,6-Xylidine, present at 100 mg/L, reached 0% of its theoretical BOD in 4 weeks using an activated sludge inoculum at 30 mg/L in the Japanese MITI test(5).

12.3 Bioaccumulative potential

An estimated BCF value of 8 was calculated for 2,6-xylidine in fish(SRC), using a log Kow of 1.84(1) and a regression-derived equation(2). According to a classification scheme(3), this BCF value suggests that bioconcentration in aquatic organisms is low(SRC).

12.4 Mobility in soil

Using a structure estimation method based on molecular connectivity indices(1), the Koc of 2,6-xylidine can be estimated to be 190(SRC). According to a classification scheme(2), this estimated Koc value suggests that 2,6-xylidine is expected to have moderate mobility in soil. Aromatic amines are expected to bind strongly to humus or organic matter in soils due to the high reactivity of the aromatic amino group(3,4), suggesting that mobility may be lower in some soils(SRC). In a short term soil adsorption study using 14C-labelled 2,6-xylidine, 66% of the applied radioactivity was bound to the soil (3.4% organic matter, 36.6% sand, 28.2% silt, 35.2% clay) after 24 hrs(3).

12.5 Other adverse effects

no data available

13.Disposal considerations

13.1 Disposal methods

Product

The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Contaminated packaging

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

14.Transport information

14.1 UN Number

ADR/RID: UN3272 IMDG: UN3272 IATA: UN3272

14.2 UN Proper Shipping Name

ADR/RID: ESTERS, N.O.S.
IMDG: ESTERS, N.O.S.
IATA: ESTERS, N.O.S.

14.3 Transport hazard class(es)

ADR/RID: 3 IMDG: 3 IATA: 3

14.4 Packing group, if applicable

ADR/RID: III IMDG: III IATA: III

14.5 Environmental hazards

ADR/RID: no IMDG: no IATA: no

14.6 Special precautions for user

no data available

14.7 Transport in bulk according to Annex II of MARPOL 73/78 and the IBC Code

no data available

15.Regulatory information

15.1 Safety, health and environmental regulations specific for the product in question

Chemical name Common names and synonyms CAS number EC number
2,6-dimethylaniline,hydrochloride 2,6-dimethylaniline,hydrochloride 21436-98-6 none
European Inventory of Existing Commercial Chemical Substances (EINECS) Listed.
EC Inventory Listed.
United States Toxic Substances Control Act (TSCA) Inventory Not Listed.
China Catalog of Hazardous chemicals 2015 Not Listed.
New Zealand Inventory of Chemicals (NZIoC) Not Listed.
Philippines Inventory of Chemicals and Chemical Substances (PICCS) Not Listed.
Vietnam National Chemical Inventory Not Listed.
Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) Not Listed.

16.Other information

Information on revision

Creation Date Aug 11, 2017
Revision Date Aug 11, 2017

Abbreviations and acronyms

  • CAS: Chemical Abstracts Service
  • ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
  • RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
  • IMDG: International Maritime Dangerous Goods
  • IATA: International Air Transportation Association
  • TWA: Time Weighted Average
  • STEL: Short term exposure limit
  • LC50: Lethal Concentration 50%
  • LD50: Lethal Dose 50%
  • EC50: Effective Concentration 50%

References

  • IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
  • HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
  • IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
  • eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
  • CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
  • ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
  • ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
  • Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
  • ECHA - European Chemicals Agency, website: https://echa.europa.eu/

Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.

MSDS

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NMR Spectrum 1H NMR : Predict

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21436-98-6 NMR spectrum
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