甲基环己二烯

Description

methylcyclohexadiene · CAS 30640-46-1 · C7H10. UNII NZ9H475GT1. Boiling Point: 118.00 to 120.00 °C. @ 760.00 mm Hg; Boiling Point: 118-120 °C; Boiling Point: 105 °C.

Identification

CAS Registry Number	30640-46-1
PubChem CID	121731
Molecular formula	C7H10
IUPAC name	1-methylcyclohexa-1,3-diene
UNII (FDA)	NZ9H475GT1
JECFA number	1344

Computed Descriptors

Molecular Weight	94.15
XLogP3	2.1
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	0
Exact Mass	94.078250319
Monoisotopic Mass	94.078250319
Topological Polar Surface Area	0
Heavy Atom Count	7
Formal Charge	0

Physical & Chemical Properties

Boiling Point	118.00 to 120.00 °C. @ 760.00 mm Hg
Boiling Point	118-120 °C
Boiling Point	105 °C
Density	0.846-0.853
Density	0.830-0.837
Refractive Index	1.446-1.452
Refractive Index	1.474-1.484

Physical description & handling notes

• Colourless oily liquid; Light fruity aroma
• Colorless liquid, Strong lemon-lime top note
• Insoluble in water; soluble in most fixed oils
• Soluble (in ethanol)
• Practically insoluble to insoluble
• Slightly Soluble (in ethanol)

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents FLAVOURING_AGENT: Flavouring Agent No safety concern at current levels of intake when used as a flavouring agent ">RS 952-JECFA 69/150

GHS Hazard Classification

Reported hazard statements	H225 (100%), H304 (56.5%), H315 (100%), H319 (100%), H335 (100%)

Documented Uses

• Flavouring Agent -> FLAVOURING_AGENT -> JECFA Functional Classes
• Flavoring Agents -> JECFA Flavorings Index
• 1,3-Cyclohexadiene, 1-methyl-: INACTIVE
• Cyclohexadiene, methyl-: ACTIVE

Synonyms

1-Methyl-1,3-cyclohexadiene; 1-Methylcyclohexa-1,3-diene; 1489-56-1; 5,6-Dihydrotoluene; Methylcyclohexadiene; 2,3-Dihydrotoluene; 1,3-Cyclohexadiene, 1-methyl-; 30640-46-1; Cyclohexadiene, methyl-; lemon hexadiene; NZ9H475GT1; EINECS 216-071-8; DTXSID70892095; EINECS 250-269-5; Limediene; FEMA NO. 4311, METHYLCYCLOHEXADIENE-

Frequently Asked Questions

What are the CAS number and molecular formula of methylcyclohexadiene?

CAS 30640-46-1; molecular formula C7H10; molecular weight — g/mol.

What other names is methylcyclohexadiene known by?

1-Methyl-1,3-cyclohexadiene, 1-Methylcyclohexa-1,3-diene, 1489-56-1, 5,6-Dihydrotoluene, Methylcyclohexadiene, 2,3-Dihydrotoluene.

What is the regulatory status of methylcyclohexadiene?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; Flavoring Agents.

Is methylcyclohexadiene classified as hazardous?

Hazard statements reported: H225, H304, H315, H319, H335.

What are the key physical properties of methylcyclohexadiene?

Boiling Point: 118.00 to 120.00 °C. @ 760.00 mm Hg; Boiling Point: 118-120 °C; Boiling Point: 105 °C; Density: 0.846-0.853.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.