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2-Diazo-1-naphthol-4-sulfonic acid hydrate

2-Diazo-1-naphthol-4-sulfonic acid hydrate Structure
2-Diazo-1-naphthol-4-sulfonic acid hydrate structure
CAS No.
20680-48-2
Chemical Name:
2-Diazo-1-naphthol-4-sulfonic acid hydrate
Synonyms
DIAZO 74;1,2,4-Acid oxide;2-Diazo-1-naphthol-4-sulfonic acid;2-diazonio-4-sulfonaphthalen-1-olate;2-diazonio-4-sulfo-naphthalen-1-olate;2-Diazo-1,2-naphthoquinone-4-sulfonic acid;2-Diazo-1-naphthol-4-sulfonic acid hydrate;1,2-DIAZOXY NAPHTHALENE-4-SULPHOACID,=70.0%;3-Diazo-3,4-dihydro-4-oxonaphthalin-1-sulfonsure;3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonic acid
CBNumber:
CB3386150
Molecular Formula:
C10H6N2O4S
Molecular Weight:
250.23
MDL Number:
MFCD00082247
MOL File:
20680-48-2.mol
MSDS File:
SDS
Last updated:2026-09-12 18:52:01
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2-Diazo-1-naphthol-4-sulfonic acid hydrate Properties

FDA UNII T8EZ8668BH

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Danger
Hazard statements  H242-H319-H315-H335
Precautionary statements  P210-P220-P234-P280-P370+P378-P403+P235-P411-P420-P501-P264-P280-P302+P352-P321-P332+P313-P362-P264-P280-P305+P351+P338-P337+P313P
Hazard Codes  F,Xi
Risk Statements  11-36/37/38
Safety Statements  16-26-36/37
RIDADR  UN 3226 4.1
WGK Germany  3
F  4.10

2-Diazo-1-naphthol-4-sulfonic acid hydrate price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
AHH MT-07905 2-Diazo-1-naphthol-4-sulfonic acid hydrate 97% 500g $380 2026-05-26 Buy
American Custom Chemicals Corporation CHM0005764 1,2-DIAZOXY NAPHTHALENE-4-SULPHOACID 95.00% 20680-48-2 5MG $496.8 2021-12-16 Buy
Product number Packaging Price Buy
MT-07905 500g $380 Buy
CHM0005764 5MG $496.8 Buy

2-Diazo-1-naphthol-4-sulfonic acid hydrate Chemical Properties, Uses, Production

2-Diazo-1-naphthol-4-sulfonic acid hydrate Preparation Products And Raw materials

Raw materials

1-Amino-2-naphthol-4-sulfonic acid Sodium hydroxide Sulfuric acid

Preparation Products

Mordant Black 17 Eriochrome Black T

2-Diazo-1-naphthol-4-sulfonic acid hydrate Suppliers

Global Suppliers ( 66)
Supplier Tel Email Country ProdList Advantage
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202 13764082696 info@hanhongsci.com China 42917 64
Hangzhou J&H Chemical Co., Ltd. 0571-87396432 sales@jhechem.com China 14905 59
Chemwill Asia Co.,Ltd. 86-21-51086038 sales@chemwill.com China 1973 58
Shanghai Yihe Biological Technology Co., Ltd. 021-68882955 17721395025 2423903095@qq.com China 4999 58
Wuhai Shuou Technology Co., Ltd. 17792809151;18872220797 2355916837@ycphar.com China 6120 55
Wuhan FengyaoTonghui Chemical Products Co., Ltd. 027-87466105 15377573527 2678564200@qq.com China 17968 58
Zhengzhou Acme Chemical Co., Ltd. 037163312495 13303845143 1416159398@qq.com China 10151 58
Career Henan Chemica Co +86-0371-86658258 +86-13203830695 laboratory@coreychem.com China 30203 58
Shanghai Yanze Chemical Co., Ltd. 15345144255 19901447308 260924549@qq.com China 9989 58
Wuhan kemike Biomedical Technology Co., Ltd 027-13163388153 13163388153 yeqiu416@163.com China 8787 58
Supplier Advantage
Shanghai Hanhong Scientific Co.,Ltd. 64
Hangzhou J&H Chemical Co., Ltd. 59
Chemwill Asia Co.,Ltd. 58
Shanghai Yihe Biological Technology Co., Ltd. 58
Wuhai Shuou Technology Co., Ltd. 55
Wuhan FengyaoTonghui Chemical Products Co., Ltd. 58
Zhengzhou Acme Chemical Co., Ltd. 58
Career Henan Chemica Co 58
Shanghai Yanze Chemical Co., Ltd. 58
Wuhan kemike Biomedical Technology Co., Ltd 58

View Latest Price from 2-Diazo-1-naphthol-4-sulfonic acid hydrate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
2-DIAZO-1-NAPHTHOL-4-SULFONIC ACID HYDRATE pictures 2023-04-28 2-DIAZO-1-NAPHTHOL-4-SULFONIC ACID HYDRATE
20680-48-2
 1KG 98% 100000 Wuhan Silworld Chemical Co.,Ltd

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2-Diazo-1,2-naphthoquinone-4-sulfonic acid 1,2-DIAZOXY NAPHTHALENE-4-SULPHOACID,=70.0% DIAZO 74 3-Diazo-3,4-dihydro-4-oxo-1-naphthalenesulfonic acid 2-Diazo-1-naphthol-4-sulfonic acid 2-diazonio-4-sulfo-naphthalen-1-olate 2-diazonio-4-sulfonaphthalen-1-olate 3-DIAZO-3,4-DIHYDRO-4-OXONAPHTHALENE-1-SULFONIC ACID HYDRATE 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulphonic acid 1,2-Naphthoquinonediazide-4-sulfonic acid, dihydrate 3-diazo-3,4-dihydro-4-oxonaphthalene-1-sulfonic acid 3-Diazo-3,4-dihydro-4-oxonaphthalin-1-sulfonsure 1,2,4-Acid oxide 2-Diazo-1-naphthol-4-sulfonic acid hydrate 20680-48-2 Organic Building Blocks Nitrogen Compounds Azo/Diazo Compounds Building Blocks Intermediates of Dyes and Pigments