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

1-Diazo-2-naphthol-4-sulfonic acid
1-Diazo-2-naphthol-4-sulfonic acid structure
Chemical Name:
1-Diazo-2-naphthol-4-sulfonic acid
1-Diazo-2-naphthol-4;1-DIAZO-2-NAPHTHOL-4-SULFONIC ACID;1,2-Naphthoxydiazo-4-sulfonic acid;1,2-Naphthoxydiazde-4-sulfonicacid;1 DIAZO-2-NAPHTHOL-4-SULPHONIC ACID;1,2-diazoxynaphthalene-4-sulfnic acid;1-Diazo-2-naphthol-4-sulfonic acid powder;4,4’-azo-3-hydroxynaphthalene-1-sulfonate;4,4'-azo-3-hydroxynaphthalene-1-sulphonate;4-Diazonio-3-hydroxynaphthalene-1-sulfonate
Molecular Formula:
Formula Weight:
MOL File:

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

Melting point:
160 °C (dec.)(lit.)
Boiling point:
160 C
1.5366 (rough estimate)
refractive index 
1.6800 (estimate)
storage temp. 
Flammables area
Water Solubility 
15.8 g/L (20 ºC)
CAS DataBase Reference
887-76-3(CAS DataBase Reference)
EPA Substance Registry System
1-Naphthalenediazonium, 2-hydroxy-4-sulfo-, inner salt(887-76-3)
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  F,C
Risk Statements  5-11-34
Safety Statements  16-26-36/37/39-45-48
RIDADR  UN 2925 4.1/PG 2
WGK Germany  3
HazardClass  4.1
PackingGroup  III
HS Code  29270000
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H228 Flammable solid Flammable solids Category 1
Category 2
P210, P240,P241, P280, P370+P378
H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501
H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P240 Ground/bond container and receiving equipment.
P241 Use explosion-proof electrical/ventilating/lighting/…/equipment.
P260 Do not breathe dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P310 Immediately call a POISON CENTER or doctor/physician.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P405 Store locked up.
P501 Dispose of contents/container to..…

1-Diazo-2-naphthol-4-sulfonic acid price More Price(4)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 227285 1-Diazo-2-naphthol-4-sulfonic acid powder 887-76-3 100g $63.8 2018-11-13 Buy
TCI Chemical D1674 1-Diazo-2-naphthol-4-sulfonic Acid 887-76-3 25g $31 2018-11-22 Buy
Alfa Aesar H60805 1-Diazo-2-naphthol-4-sulfonic acid, 76% 887-76-3 100g $47.3 2018-11-13 Buy
Alfa Aesar H60805 1-Diazo-2-naphthol-4-sulfonic acid, 76% 887-76-3 25g $14.1 2018-11-13 Buy

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

Chemical Properties

brown adhering powder or paste

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

Raw materials

Preparation Products

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

Global( 93)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32447 55
career henan chemical co
+86-371-86658258 CHINA 27142 58
13867897135 CHINA 925 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
86-10-82849933; China 96815 76
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30163 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 24555 81
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44025 61
Shanghai Longsheng chemical Co.,Ltd. 021-58099637,58099652,58099650,58099609 To 8009,8068; 13585536065,QQ:975986869
0086-21-33191781;; China 9823 59
Shanghai Hanhong Scientific Co.,Ltd. 021-54306202,021-54308259
+86-21-64545202 China 43261 64
Chengdu XiYa Chemical Technology Co., Ltd. 4008-626-111
028-84752058 China 9631 57

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

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2019-07-05 1-Diazo-2-naphthol-4-sulfonic acid
US $1.00 / KG 1KG 99% 25kg career henan chemical co

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

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