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| CAS No.: | 3963-80-2 |
|---|---|
| Name: | 8-AMINO-1-NAPHTHOL-3,6-DISULFONIC ACID DISODIUM SALT |
| Molecular Structure: | |
|
|
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| Formula: | C10H9 N O7 S2 . 2 Na |
| Molecular Weight: | 363.28 |
| Synonyms: | 2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-, disodium salt (8CI,9CI); 1-Naphthol-8-amino-3,6-disulfonicacid disodium salt; Disodium 1-amino-8-hydroxy-3,6-naphthalenedisulfonate;Disodium 1-amino-8-naphthol-3,6-disulfonate; Disodium4-amino-5-hydroxy-2,7-naphthalenedisulfonate; Disodium8-amino-1-naphthol-3,6-disulfonate; H Acid disodium salt; Sodium1-amino-8-hydroxy-3,6-naphthalenedisulfonate |
| Density: | g/cm3 |
| Boiling Point: | °Cat760mmHg |
| Flash Point: | °C |
| Hazard Symbols: |
|
| Risk Codes: | 20/21/22-36/37/38 |
| Safety: | Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx. |
| PSA: | 177.41000 |
| LogP: | 3.45940 |
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Chemistry
IUPAC Name: disodium 4-amino-5-hydroxynaphthalene-2,7-disulfonate
Molecular Formula: C10H7NO7S2•2Na
Molecular Weight: 363.28g/mol
Freely Rotating Bonds: 4
Polar Surface Area: 137.97 Å2
The Cas Register Number of H Acid disodium salt is 3963-80-2.The chemical synonyms of H Acid disodium salt (CAS NO.3963-80-2) are 7-Naphthalenedisulfonicacid,4-amino-5-hydroxy-disodiumsalt ; Disodium 4-amino-5-hydroxynaphthalene-2,7-disulphonate ; 4-Amino-5-hydroxy-2,7-naphthalene-disulfonic acid, 2 na, tech., 65% ; 8-Amino-1-naphthol-3,6-disulfonic acid disodium salt, Disodium 4-amino-5-hydroxy-2,7-naphthalenedisulfonate, H Acid disodium salt ; 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid disodium salt ; 5-Amino-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt .The molecular structure of H Acid disodium salt (CAS NO.3963-80-2) is
.
Uses
H Acid disodium salt (CAS NO.3963-80-2) mainly is used in producing the acid, direct and reactive dyes, such as the acid fuchsin 6B, acid scarlet G, acid black 10B direct black, reactive brilliant red K-2BP, reactive violet K-3R and so on 90 kinds.
Toxicity Data With Reference
| 1. | slt-mus-lym 25 mg/L | FCTXAV Food and Cosmetics Toxicology. 17 (1979),5. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Mutation data reported. When heated to decomposition it emits toxic vapors of NOx and SOx.
Hazard Codes: 
Xn
Risk Statements: 20/21/22-36/37/38
R20/21/22: Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36: Wear suitable protective clothing.
RTECS: QJ6190000