ChemicalBook > CAS DataBase List > 3,3-Dimethylpentane

3,3-Dimethylpentane

Product Name
3,3-Dimethylpentane
CAS No.
562-49-2
Chemical Name
3,3-Dimethylpentane
Synonyms
(C2H5)2C(CH3)2;3,3-dimethyl-pentan;3,3-DIMETHYLPENTANE;pentane,3,3-dimethyl-;2-Ethyl-2-methylbutane;DIETHYLDIMETHYLMETHANE;3,3-Dimethylpentane,99%;3,3-DiMethylpentane, 99% 5GR;3,3-Dimethylpentane ISO 9001：2015 REACH
CBNumber
CB8853837
Molecular Formula
C7H16
Formula Weight
100.2
MOL File
562-49-2.mol
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3,3-Dimethylpentane Property

Melting point:
-135 °C (lit.)
Boiling point:
86 °C (lit.)
Density 
0.693 g/mL at 25 °C (lit.)
vapor pressure 
2.77 psi ( 37.7 °C)
refractive index 
n20/D 1.392(lit.)
Flash point:
20 °F
storage temp. 
Flammables area
solubility 
Soluble in acetone, alcohol, benzene, chloroform, and ether (Weast, 1986)
form 
Liquid
pka
>14 (Schwarzenbach et al., 1993)
color 
Clear colorless
explosive limit
~7%
Water Solubility 
Soluble in acetone, water, chloroform, alcohol & ether. In water ( 5.92 mg/kg ) dissolves at 25°C.
BRN 
1696854
Henry's Law Constant
1.85(atm?m3/mol) at 25 °C (Mackay and Shiu, 1981)
Exposure limits
ACGIH: TWA 400 ppm; STEL 500 ppm
Dielectric constant
1.9399999999999999
EPA Substance Registry System
Pentane, 3,3-dimethyl- (562-49-2)
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Safety

Hazard Codes 
F,Xn,N
Risk Statements 
11-38-50/53-65-67
Safety Statements 
9-16-29-33-60-61-62
RIDADR 
UN 3295 3/PG 2
WGK Germany 
2
TSCA 
Yes
HazardClass 
3
PackingGroup 
II
HS Code 
29011000
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H225Highly Flammable liquid and vapour

H304May be fatal if swallowed and enters airways

H315Causes skin irritation

H336May cause drowsiness or dizziness

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P273Avoid release to the environment.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P331Do NOT induce vomiting.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
118451
Product name
3,3-Dimethylpentane
Purity
99%
Packaging
1g
Price
$67.92
Updated
2025/07/31
Sigma-Aldrich
Product number
118451
Product name
3,3-Dimethylpentane
Purity
99%
Packaging
5g
Price
$170.05
Updated
2025/07/31
Matrix Scientific
Product number
172520
Product name
3,3-Dimethylpentane
Packaging
5g
Price
$136
Updated
2021/12/16
Matrix Scientific
Product number
172520
Product name
3,3-Dimethylpentane
Packaging
25g
Price
$576
Updated
2021/12/16
AK Scientific
Product number
0524BA
Product name
3,3-Dimethylpentane
Packaging
25g
Price
$827
Updated
2021/12/16
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3,3-Dimethylpentane Chemical Properties,Usage,Production

Chemical Properties

clear colorless liquid

Physical properties

Colorless, mobile liquid with an odor resembling heptane or gasoline. Evaporates when spilled forming combustible vapors.

Uses

3,3-Dimethylpentane Is used in organic synthesis & as gasoline component, as Pharmaceutical intermediates. It was used in the development and evaluation of the epiocular-eye irritation test.

General Description

3,3-Dimethylpentane isomerizes via a methyl shift mechanism on oxygen-exposed tungsten carbides.

Environmental Fate

Chemical/Physical. Complete combustion in air yields carbon dioxide and water vapor. 3,3- Dimethylbutane will not hydrolyze because it has no hydrolyzable functional group.

3,3-Dimethylpentane Preparation Products And Raw materials

Raw materials

Preparation Products

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3,3-Dimethylpentane Suppliers

Belgium 1 China 27 Germany 1 India 1 Japan 2 Norway 1 Switzerland 1 United Kingdom 2 United States 9 Global 45
Meryer (Shanghai) Chemical Technology Co., Ltd.
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Energy Chemical
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  • 3,3-dimethyl-pentan
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  • DIETHYLDIMETHYLMETHANE
  • 2-Ethyl-2-methylbutane
  • 3,3-Dimethylpentane,99%
  • 3,3-DiMethylpentane, 99% 5GR
  • 3,3-Dimethylpentane ISO 9001：2015 REACH
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