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4-(2-hydroxy-[1]naphthylazo)-naphthalene-1-sulfonic acid

CAS No. : 18268-54-7 Formula : C20H14N2O4S Molecular Weight. : 378.401 Check Encyclopedia

Synonyms : 4-[(2-HYDROXY-1-NAPHTHYL)DIAZENYL]NAPHTHALENE-1-SULFONIC ACID;

Supplier : All (3) China Suppliers (1) Contractor (1)

Recommended Supplier	Purity	Lead Time	Packing	Price
Hangzhou J&H Chemical Co., Ltd.	99%	14Day (s)	500g	Request For Qutation
Allorachem Srl	96%	7Day (s)	500g	Request For Qutation
MOLEKULA	96%	7Day (s)	500g	Request For Qutation

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eriochrome blue black B

CAS No. : 25747-05-1 Formula : C20H14N2O5S Molecular Weight. : 394.401 Check Encyclopedia

Synonyms : 1-(1-hydroxy-2-naphthylazo)-2-naphthol-4-sulphonic acid; 3-hydroxy-4-[(2-hydroxynaphthyl)azo]-7-nitronaphthalene-1-sulfonic acid; 1-(1-hydroxy-2-naphthylazo)-2-naphthol-4-sulfonic acid; 3-HYDROXY-4-[(1-HYDROXY-2-NAPHTHYL)DIAZENYL]NAPHTHALENE-1-SULFONIC ACID; 3-hydroxy-4-(1-hydroxy-[2]naphthylazo)-naphthalene-1-sulfonic acid; 2.1''-Dihydroxy-[1.2'']azonaphthalin-sulfonsaeure-(4);

Supplier : All (3) China Suppliers (1) Contractor (1)

Recommended Supplier	Purity	Lead Time	Packing	Price
Hangzhou J&H Chemical Co., Ltd.	98%	14Day (s)	1kg	Request For Qutation
Dayang Chem (Hangzhou) Co., Ltd	98%	7Day (s)	1kg	Request For Qutation
Allorachem Srl	96%	7Day (s)	500g	Request For Qutation
MOLEKULA	96%	7Day (s)	500g	Request For Qutation

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chromium(3+),hydron,3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate

CAS No. : 19154-31-5 Formula : C40H25CrN4O10S2 Molecular Weight. : 837.773 Check Encyclopedia

Synonyms : EINECS 242-848-6; Trihydrogen bis(3-hydroxy-4-((2-hydroxy-1-naphthyl)azo)naphthalene-1-sulphonato(3-))chromate(3-); Acid blue 193; chromium(3+) hydrogen 3-oxido-4-[(e)-(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate(1:3:2);

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Recommended Supplier	Purity	Lead Time	Packing	Price	View
Dayang Chem (Hangzhou) Co., Ltd	98%	7Day (s)	1kg	Request For Qutation
Chemos GmbH	96%	7Day (s)	100g	Request For Qutation

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4-(2-hydroxy-[1]naphthylazo)-naphthalene-1-sulfonic acid

eriochrome blue black B

chromium(3+),hydron,3-oxido-4-[(2-oxidonaphthalen-1-yl)diazenyl]naphthalene-1-sulfonate