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3,3-Dimethylhexane

HCID 11233
NotesReactions
Basic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
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Basic information

CAS
563-16-6
Standard SMILES
CCCC(C)(C)CC
InChIKey
KUMXLFIBWFCMOJ-UHFFFAOYSA-N
Molecular formula
C8.H18
Average molar mass
114.23 g/mol
Monoisotopic mass
114.14085057

Overview

3,3-dimethylhexane is an alkane that is hexane in which the two methylene hydrogens at position 3 have been replaced by methyl groups.

Names & identifiers

Preferred name
3,3-Dimethylhexane
IUPAC
3,3-dimethylhexane
English name
3,3-Dimethylhexane
Molecular formula
C8H18
Molecular weight
114.23

Names & synonyms

3,3-Dimethylhexane563-16-6Hexane, 3,3-dimethyl-3,3-DIMETHYL HEXANE3,3-dimethyl-hexaneMFCD000487295Y25PZR32UNSC-74174EINECS 209-243-9NSC 74174UNII-5Y25PZR32USCHEMBL43156
Show more names
HEXANE,3,3-DIMETHYL-Dimethylhexane, 3,3-3,3-Dimethylhexane >3,3-DIMETHYLHEXANE 99+%
SCHEMBL43753SCHEMBL56624SCHEMBL56625SCHEMBL56626SCHEMBL58479SCHEMBL149818SCHEMBL633248SCHEMBL1989375

Database identifiers

CAS
563-16-6
PubChem CID
11233
DTXSID
DTXSID2073194
ChEBI
CHEBI:132182
UNII
5Y25PZR32U
EC Number
209-243-9
Nikkaji
J43.426D

Properties

Computed structural properties

XLogP
4.1
Topological polar surface area
0 Ų
Hydrogen bond donors
0
Hydrogen bond acceptors
0
Rotatable bonds
3
Heavy atoms
8
Formal charge
0
Complexity
53.1

Experimental & physicochemical properties

SolventsSolvents -> Aliphatics, Saturated (<C12)
SpringerMaterials PropertiesBoiling point
Density0.7100 @ 20°C
Boiling Point · 2 items

111.90 °C. @ 760.00 mm Hg

111.9 °C @760 [mm Hg]

Melting Point · 2 items

-126.1 °C

-126.1 °C

Vapor Pressure28.6 [mmHg]
Physical Description · 2 items

Liquid; [Aldrich MSDS]

Liquid

Physicochemical properties

Melting point
-126 °C · -126 °C
Boiling point
112 °C · 112 °C
Density
0.71 · 0.71

Safety & regulation

Safety information is for reference only and does not replace the supplier’s Safety Data Sheet (SDS), applicable regulations, or professional assessment.

GHS classification

GHS Classification · 6 items

Danger

H225: Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P319, P321, P331, P332+P317, P362+P364, P370+P378, P391, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Danger

H225 (100%): Highly Flammable liquid and vapor [Danger Flammable liquids]

P210, P233, P240, P241, P242, P243, P261, P264, P271, P273, P280, P301+P316, P302+P352, P303+P361+P353, P304+P340, P319, P321, P331, P332+P317, P362+P364, P370+P378, P391, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)

Hazard information

Hazards SummaryA skin, mucous membrane, and upper respiratory tract irritant; Inhalation of vapor may cause drowsiness or dizziness; Harmful by ingestion (may cause lung damage on aspiration); [Aldrich MSDS]
Hazard Classes and Categories · 3 items

Flam. Liq. 2 (100%)

Flammable liquid - category 2

Flam. Liq. 2

Safety & protection

Protective Action Criteria (PAC) · 3 items

200 [ppm]

2200 [ppm]

13000 [ppm]

Toxicology

TreatmentTreatment is mainly symptomatic and supportive. Gastric lavage, emesis, and the administration of activated charcoal should be avoided, as vomiting increases the risk of aspiration. (A600)

Chemistry & industry

Pharmacology

Metabolism/MetabolitesVolatile hydrocarbons are absorbed mainly through the lungs, and may also enter the body after ingestion via aspiration. (A600)
Cellular LocationsMembrane

Uses & manufacturing

UsesOctanes may be found in gasoline. (L1296)

Upstream & downstream products

Downstream products

2,3,3-Trimethylpentane2,4-Dimethylpentane

Additional notes

DefinitionChEBI:3,3-dimethylhexane is an alkane that is hexane in which the two methylene hydrogens at position 3 have been replaced by methyl groups.

Related reactions

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Compound notes

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On this pageBasic informationOverviewNames & identifiersPropertiesSafety & regulationChemistry & industryRelated reactionsCompound notes
refractive index
1.4 · 1.4000-1.4010
Flash point
7 °C · 7 °C
form
clear liquid
color
Colorless to Almost colorless
Specific Heat Capacity
2.16 J/ · Cp(liquid): 2.16 J/(g·K), at 25℃
Henry's Law Constant
2.4 · 2.4×10-6 mol/(m3Pa) at 25℃, Yaws (2003)
LogP
4.529 · 4.529 (est)
FDA UNII
5 Y25PZR32U · 5Y25PZR32U
EPA Substance Registry System
3 · 3,3-Dimethylhexane (563-16-6)
Symbol(GHS)
2 · GHS02,GHS07,GHS08,GHS09
Signal word
Danger
Hazard statements
315 · H315-H336-H304-H410-H225
Precautionary statements
501 · P501-P273-P240-P261-P210-P233-P243-P241-P242-P271-P264-P280-P370+P378-P391-P331-P362+P364-P303+P361+P353-P332+P313-P301+P310-P304+P340+P312-P403+P233-P403+P235-P405
RIDADR
1262 · 1262
RTECS
3500000 · VT3500000
HS Code
2901.29 · 2901.29.1010
HazardClass
3 · 3
PackingGroup
II
Health EffectsPetroleum distillates are aspiration hazards and may cause pulmonary damage, central nervous system depression, and cardiac effects such as cardiac arrhythmias. They may also affect the blood, immune system, liver, and kidney. (A600, L1297)
Adverse EffectsNeurotoxin - Acute solvent syndrome
Exposure RoutesOral (L400) ; inhalation (L400) ; dermal (L400)
Toxicity SummaryPetroleum distillates are central nervous system depressants and cause pulmonary damage. (A600)
Signs and Symptoms · 1 item

Petroleum distillate poisoning may cause nausea, vomiting, cough, pulmonary irritation progressing to pulmonary edema, bloody sputum, and bronchial pneumonia. At high amounts, central nervous system depression may also occur, with symptoms such as weakness, dizziness, slow and shallow respiration, unconsciousness, and convulsions. Petroleum distillates are also irritating to the skin. (A594)

Carcinogen ClassificationNo indication of carcinogenicity to humans (not listed by IARC).

Safety data

rtecs
VT3500000
ridadr
1262
hs_code
2901.29.1010
Signal word
Danger
Symbol(GHS)
GHS02,GHS07,GHS08,GHS09
hazard_class
3
packing_group
II
Hazard statements
H315-H336-H304-H410-H225
Precautionary statements
P501-P273-P240-P261-P210-P233-P243-P241-P242-P271-P264-P280-P370+P378-P391-P331-P362+P364-P303+P361+P353-P332+P313-P301+P310-P304+P340+P312-P403+P233-P403+P235-P405