DibutylPhosphate , 96% , 107-66-4

Synonym(s):
Phosphoric acid dibutyl ester

CAS NO.：107-66-4

Empirical Formula: C8H19O4P

Molecular Weight: 210.21

MDL number: MFCD00015245

EINECS: 203-509-8

PRODUCT Properties

• Melting point: -13 °C
• Boiling point: 250 °C
• Density: 1.06 g/mL at 20 °C (lit.)
• vapor pressure: 0Pa at 20℃
• refractive index: n20/D 1.428
• Flash point: 188 °C
• storage temp.: Store below +30°C.
• solubility: Slightly soluble[in water]
• solubility: Chloroform (Soluble), Methanol (Slightly)
• pka: 1.53±0.50(Predicted)
• form: Liquid
• color: Clear
• Specific Gravity: 1.1
• Water Solubility: insoluble
• BRN: 607224
• Exposure limits: ACGIH: TWA 5 mg/m3 (Skin); OSHA: TWA 1 ppm(5 mg/m3); NIOSH: IDLH 30 ppm; TWA 1 ppm(5 mg/m3); STEL 2 ppm(10 mg/m3)
• InChIKey: JYFHYPJRHGVZDY-UHFFFAOYSA-N
• LogP: -0.9 at 25℃

Description and Uses

Dibutyl phosphate is a pale amber to brown,odorless liquid. Molecular weight = 210.24; Specificgravity (H2O:1) = 1.06; Boiling point = (decomposes)135-138℃; Freezing/Melting point = 213℃; Vapor pressure-1 mmHg at 20℃; Flash point = 188℃ (oc);Autoignition temperature = 420℃. Hazard Identification(based on NFPA-704 M Rating System): Health 3,Flammability 2, Reactivity 0. Practically insoluble in water.

Pale amber liquid

Safety

• Symbol(GHS): GHS05,GHS08
• Signal word: Danger
• Hazard statements: H314-H351
• Precautionary statements: P201-P202-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338
• Hazard Codes: Xi,C
• Risk Statements: 37/38-41-38-34-40
• Safety Statements: 26-39-45-36/37/39-25
• RIDADR: 3261
• OEB: B
• OEL: TWA: 1 ppm (5 mg/m3), STEL: 2 ppm (10 mg/m3)
• WGK Germany: 1
• RTECS: TB9605000
• TSCA: Yes
• HazardClass: 8
• PackingGroup: III
• HS Code: 29199000
• IDLA: 30 ppm