Naphthenic acid , 1338-24-5

CAS NO.：1338-24-5

Empirical Formula: C7H10O2

Molecular Weight: 126.154

MDL number: MFCD00147696

EINECS: 215-662-8

PRODUCT Properties

• Boiling point: 160-198 °C (6 mmHg)
• Density: 0.92 g/mL at 20 °C (lit.)
• vapor pressure: 31.4Pa at 25℃
• refractive index: n20/D 1.45
• Flash point: 149 °C
• storage temp.: Storage temp. 2-8°C
• solubility: Practically insoluble in water
• pka: 5[at 20 ℃]
• form: Liquid
• color: Clear colorless to yellow-brown
• Water Solubility: 88.1mg/L at 20℃
• FreezingPoint: -30~-36℃
• InChI: InChI=1S/C7H10O2/c8-7(9)6-4-2-1-3-5-6/h1-2,6H,3-5H2,(H,8,9)
• InChIKey: VUSWCWPCANWBFG-UHFFFAOYSA-N
• SMILES: C1(C(=O)O)CC=CCC1
• LogP: 7.65
• EPA Substance Registry System: Naphthenic acids (1338-24-5)

Description and Uses

The term naphthenic acid, as commonly used in the petroleum industry, refers collectively to all of the carboxylic acids present in crude oil.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H317-H319
• Precautionary statements: P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi,N
• Risk Statements: 36/37/38-51/53-52-43-36/38
• Safety Statements: 26-36-61-36/37
• RIDADR: UN 3082 9/PG 3
• WGK Germany: 2
• RTECS: QK8750000
• HazardClass: 9
• PackingGroup: III
• HS Code: 38249099
• Hazardous Substances Data: 1338-24-5(Hazardous Substances Data)
• Toxicity: rat,LD50,intraperitoneal,640mg/kg (640mg/kg),BEHAVIORAL: FOOD INTAKE (ANIMAL)GASTROINTESTINAL: PERITONITIS,AMA Archives of Industrial Health. Vol. 12, Pg. 477, 1955.
• Limited Quantities: 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
• Excepted Quantities: Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)