1,2,3,4,5-Pentamethylcyclopentadiene (4045-44-7),1,2,3,4,5-Pentamethylcyclopentadiene (4045-44-7) Manufacturers & Suppliers,Synthesis,MSDS

Basic information

Name:
1,3-Cyclopentadiene,1,2,3,4,5-pentamethyl-
Superlist Name:
1,2,3,4,5-Pentamethylcyclopentadiene
CAS No.:
4045-44-7
Molecular Structure:
Formula:
C₁₀H₁₆
Molecular Weight:
136.24
Synonyms:
Cyclopentadiene,1,2,3,4,5-pentamethyl- (6CI,7CI);1,2,3,4,5-Pentamethyl-1,3-cyclopentadiene;1,2,3,4,5-Pentamethylcyclopentadiene;NSC 222823;
EINECS:
223-743-4
Density:
0.814 g/cm³
Boiling Point:
170.2 °C at 760 mmHg
Flash Point:
44.4 °C
Appearance:
clear colorless to yellowish liquid
Risk Codes:
10
Safety Description:
16 Details
Transport Information:
UN 3295 3/PG 3

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Chemistry

IUPAC Name: 1,2,3,4,5-Pentamethylcyclopenta-1,3-diene
Systematic of 1,2,3,4,5-Pentamethylcyclopentadiene (CAS NO.4045-44-7): EINECS 223-743-4
CAS NO: 4045-44-7
Molecular Formula of 1,2,3,4,5-Pentamethylcyclopentadiene (CAS NO.4045-44-7): C₁₀H₁₆
Molecular Weight: 136.234
Molecular Structure:

Melting Point: 236 °C
ProductCategories: Alkenes ; Cyclic ; Organic Building Blocks
Index of Refraction: 1.459
Molar Refractivity: 45.79 cm3
Molar Volume: 167.2 cm3
Surface Tension: 21.2 dyne/cm
Density of 1,2,3,4,5-Pentamethylcyclopentadiene (CAS NO.4045-44-7): 0.814 g/cm3
Flash Point: 44.4 °C
Enthalpy of Vaporization: 38.99 kJ/mol
Boiling Point: 170.2 °C at 760 mmHg
Vapour Pressure: 1.97 mmHg at 25°C

Uses

1,2,3,4,5-Pentamethylcyclopentadiene is used as an in situ growth modifier chemical for the chemical vapour deposition of IRON from IRON pentacarbonyl.

Toxicity Data With Reference

1、RTECS#: CAS# 4045-44-7: None listed
2、LD50/LC50: RTECS: Not available.
3、Carcinogenicity: 1,2,3,4,5-Pentamethylcyclopentadiene - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
4、Other: The toxicological properties have not been fully investigated.

Safety Profile

Risk Statements: 10
R10: Flammable.
Safety Statements: 16
S16: Keep away from sources of ignition.
RIDADR: UN 3295 3/PG 3
WGK Germany: 3
F: 9-23
HazardClass: 3
PackingGroup: III
HS Code: 29021990

Specification

Handling and Storage of 1,2,3,4,5-Pentamethylcyclopentadiene
Handling: Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage: Keep away from sources of ignition. Store in a cool, dry place. Do not store in direct SUNLIGHT. Store in a tightly closed container. Flammables-area.