Basic information
- Name:
Sodium benzenesulfonate
- CAS No.:
515-42-4
- Molecular Structure:
- Formula:
- C6H5NaO3S
- Molecular Weight:
- 180.15
- Synonyms:
- Benzenesulfonicacid, sodium salt (7CI,8CI,9CI);Dispersant GN;Sodium benzene monosulfonate;Sodiumnonafluoro-1-butanesulfonate;Sodium phenylsulfonate;Supragil GN;Benzene sulfonic acid sodium salt;Benzenesulfonic acid,sodium salt (1:1);
- EINECS:
- 208-198-2
- Density:
- 1.124 g/mL at 25 °C
- Melting Point:
- 450 °C
- Solubility:
- Soluble in water
- Appearance:
- off-white crystalline powder
- Hazard Symbols:
Xn, 
Xi- Risk Codes:
- 22-36/37/38
- Safety Description:
- 26-24/25-22 Details
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Chemistry
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IUPAC Name: Sodium benzenesulfonate
Molecular Formula: C6H5NaO3S
Molecular Weight: 180.15 g/mol
SMILES: c1(ccccc1)S(=O)(=O)[O-].[Na+]
InChI: InChI=1/C6H6O3S.Na/c7-10(8,9)6-4-2-1-3-5-6;/h1-5H,(H,7,8,9);/q;+1/p-1
EINECS: 208-198-2
Product Categories: Intermediates of Dyes and Pigments
Water Solubility: soluble
Sensitive: Hygroscopic
Stability: Stable. Hygroscopic. Incompatible with strong oxidizing agents.
H-Bond Acceptor: 3
Melting Point: 450 °C
Density of Sodium benzenesulfonate (CAS NO.515-42-4): 1.124 g/mL at 25 °C(lit.)
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 9378mg/kg (9378mg/kg) | Shokuhin Eiseigaku Zasshi. Food Hygiene Journal. Vol. 4, Pg. 15, 1963. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Slightly toxic by ingestion. When heated to decomposition it emits toxic vapors of SOx.
Hazard Codes: 
Xn,
Xi
Risk Statements: 22-36/37/38
R22:Harmful if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-24/25-22
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
WGK Germany: 3
RTECS of Sodium benzenesulfonate (CAS NO.515-42-4): DB7350000
Specification
Sodium benzenesulfonate (CAS NO.515-42-4), its Synonyms are Benzenesulfonic acid, sodium salt ; Sodium benzene monosulfate ; Sodium benzene monosulfonate ; Benzenesulfonic acid, sodium salt (1:1) ; Sodium benzene sulfonate . It is off-white crystalline powder.