8.14734

2,4,4-Trimethylpentene

(mixture of isomers) for synthesis

• Synonym(s): 2,4,4-Trimethylpentene, Diisobutylene
• Empirical Formula (Hill Notation): C₈H₁₆
• CAS Number: 91052-99-2
• Molecular Weight: 112.21
• UNSPSC Code: 12352002
• EC Index Number: 293-261-7
• NACRES: NA.22

Properties

• vapor pressure: 10 hPa ( 20 °C)
• Quality Level: 200
• Assay: ≥90.0% (GC)
• form: liquid
• autoignition temp.: 380 °C (DIN 51794)
• potency: >2000 mg/kg LD₅₀, oral (Rat); >2000 mg/kg LD₅₀, skin (Rat)
• kinematic viscosity: 0.55 cSt
• bp: >98 °C/1013 hPa
• mp: -106 °C
• transition temp: flash point -12 °C
• solubility: <0.1 g/L
• density: 0.72 g/cm³ at 20 °C
• storage temp.: 2-30°C

Description

Analysis Note

Assay (GC, area%): ≥ 90.0 % (a/a)
Density (d 20 °C/ 4 °C): 0.716 - 0.720
Identity (IR): passes test

Safety Information

• Pictograms: GHS02,GHS07,GHS08,GHS09
• Signal Word: Danger
• Hazard Statements: H225 - H304 - H336 - H410
• Precautionary Statements: P210 - P233 - P240 - P273 - P301 + P310 - P331
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1 - Asp. Tox. 1 - Flam. Liq. 2 - STOT SE 3
• Target Organs: Central nervous system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 2
• Flash Point(F): 10.4 °F - closed cup
• Flash Point(C): -12 °C - closed cup