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119-72-2

Basic Information
CAS No.: 119-72-2
Name: 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid
Article Data: 3
Molecular Structure:
Molecular Structure of 119-72-2 (4-Nitro-4'-aminostilbene-2,2'-disulfonic acid)
Formula: C14H12 N2 O8 S2
Molecular Weight: 400.39
Synonyms: 2,2'-Stilbenedisulfonicacid, 4-amino-4'-nitro- (6CI,7CI,8CI); 4-Amino-4'-nitrostilbene-2,2'-disulfonicacid; 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid; ANS
EINECS: 204-346-5
Density: 1.779g/cm3
Melting Point: >300°C
Boiling Point: °Cat760mmHg
Flash Point: °C
Solubility: Soluble in water.
Appearance: white powder
Risk Codes: 20/21/22-36/37/38
Safety: Mildly toxic by ingestion. An eye irritant. When heated to decomposition it emits very toxic fumes of NOx and SOx. See also SULFONATES.
PSA: 197.34000
LogP: 5.10680
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Chemistry

IUPAC Name: 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid
The MF of 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid (119-72-2) is C14H12N2O8S2.

                                          
The MW of 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid (119-72-2) is 400.38.
Synonyms of 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid (119-72-2): 2,2'-Stilbenedisulfonic acid, 4-amino-4'-nitro- ; 4-Amino-4'-nitro-2,2'-stilbenedisulfonic acid ; 5-Amino-2-(2-(4-nitro-2-sulphophenyl)vinyl)benzenesulphonic acid ; Benzenesulfonic acid, 5-amino-2-(2-(4-nitro-2-sulfophenyl)ethenyl)-
Index of Refraction: 1.712  
Density: 1.723 g/ml 
Melting Point: >300 °C
EINECS: 204-346-5

Toxicity Data With Reference

1.    

eye-rbt 500 mg/24H MLD

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,194,
2.    

orl-rat LD50:14,200 mg/kg

    28ZPAK    Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku Marhold, J.V.,Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha,Czechoslovakia.: 1972,194,

Consensus Reports

Reported in EPA TSCA Inventory.

Safety Profile

Mildly toxic by ingestion. An eye irritant. When heated to decomposition it emits very toxic fumes of NOx and SOx. See also SULFONATES.
Safety information of 4-Nitro-4'-aminostilbene-2,2'-disulfonic acid (119-72-2):
Risk Statements 
20/21/22  Harmful by inhalation, in contact with skin and if swallowed
36/37/38  Irritating to eyes, respiratory system and skin
Safety Statements 
26  In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36/37/39  Wear suitable protective clothing, gloves and eye/face protection
RTECS  WJ6100000