Disodium1-Naphthol-3,6-disulfonate , 20349-39-7

Synonym(s):
4-Hydroxy-2,7-naphthalenedisulfonic acid disodium salt

CAS NO.：20349-39-7

Empirical Formula: C10H6Na2O7S2

Molecular Weight: 348.26

MDL number: MFCD00003966

EINECS: 243-754-8

PRODUCT Properties

• Boiling point: 722.44℃[at 101 325 Pa]
• Density: 1.816[at 20℃]
• vapor pressure: 0Pa at 25℃
• Water Solubility: 1000g/L at 25℃
• LogP: -3.99 at 25℃
• CAS DataBase Reference: 20349-39-7(CAS DataBase Reference)
• EPA Substance Registry System: 2,7-Naphthalenedisulfonic acid, 4-hydroxy-, disodium salt (20349-39-7)

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 3
• HS Code: 29089910