(-)-柠檬烯

Description

l-Limonene is identified by CAS 5989-54-8, molecular formula C10H16 and molecular weight 136.13 g/mol. UNII 47MAJ1Y2NE; ChEBI 15383; InChIKey XMGQYMWWDOXHJM-SNVBAGLBSA-N. Melting Point: -74.3 °C; Flash Point: 48 °C; Solubility: 0.0138 mg/mL at 25 °C.

Identification

CAS Registry Number	5989-54-8
PubChem CID	439250
Molecular formula	C10H16
Molecular weight	136.13 g/mol
IUPAC name	(4S)-1-methyl-4-prop-1-en-2-ylcyclohexene
InChIKey	XMGQYMWWDOXHJM-SNVBAGLBSA-N
UNII (FDA)	47MAJ1Y2NE
ChEBI ID	CHEBI:15383

Computed Descriptors

Molecular Weight	136.23
XLogP3	3.4
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	0
Rotatable Bond Count	1
Exact Mass	136.125200510
Monoisotopic Mass	136.125200510
Topological Polar Surface Area	0
Heavy Atom Count	10
Formal Charge	0

Physical & Chemical Properties

Melting Point	-74.3 °C
Flash Point	48 °C
Solubility	0.0138 mg/mL at 25 °C
Vapor Pressure	1.44 [mmHg]
LogP	4.57

Physical description & handling notes

• Colorless liquid; lemon-like odor; [CHEMINFO]
• Liquid

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents CIR / INCI: Cosmetics ingredient -> Base; Colorant; Conditioning/Emollient; Emulsifier; Flavor; Fragrance; Moisturizing/Hu

GHS Hazard Classification

Reported hazard statements	H226, H315, H317, H400, H410, H304 (88.2%)

Documented Uses

• Used in artificial essential oils and to make (+)-carvone; Occurs naturally in essential oils of pine, peppermint, spearmint, and other plants; A minor constituent of turpentine; [CHEMINFO] Used in flavorings, fragrances, cosmetics and as a solvent and wetting agent; Also used to make resins, insecticides, insect repellants, and animal repellants; [HSDB]
• Painting (Solvents) [Category: Paint]
• Cosmetics product ingredient: Limonene (1-methyl-4-prop-1-en-2-yl-cyclohexene; dl-limonene (racemic); Dipentene; (R)-p-mentha-1,8-diene; (d-limonene); (S)-p-mentha-1,8-diene; (l-limonene))
• For more information, you can visit the fragrance allergens webpage on the California Safe Cosmetics Program website:
• Information on 16 consumer products that contain L-Limonene in the following categories is provided:

Synonyms

(-)-Limonene; l-Limonene; beta-Limonene; Limonene, (-)-; Limonene, L-; P-Mentha-1,8-diene, (S)-(-)-; UNII-47MAJ1Y2NE; 47MAJ1Y2NE; Cyclohexene, 1-methyl-4-(1-methylethenyl)-, (S)-; EINECS 227-815-6; AI3-25390; EC 227-815-6; 1-Methyl-4-(1-methylethenyl)cyclohexene, (S)-; RefChem:41455; 227-815-6; 5989-54-8

Frequently Asked Questions

What are the CAS number and molecular formula of l-Limonene?

CAS 5989-54-8; molecular formula C10H16; molecular weight 136.13 g/mol.

What other names is l-Limonene known by?

(-)-Limonene, l-Limonene, beta-Limonene, Limonene, (-)-, Limonene, L-, P-Mentha-1,8-diene, (S)-(-)-.

What is the regulatory status of l-Limonene?

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

Is l-Limonene classified as hazardous?

Hazard statements reported: H226, H315, H317, H400, H410.

What are the key physical properties of l-Limonene?

Melting Point: -74.3 °C; Flash Point: 48 °C; Solubility: 0.0138 mg/mL at 25 °C; Vapor Pressure: 1.44 [mmHg].

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.