2-Methyl-3-buten-2-ol

Description

2-Methyl-3-buten-2-ol · CAS 115-18-4 · C5H10O. UNII SH64HE46L9. Boiling Point: 208.4 to 210.2 °F at 760 mmHg (USCG, 1999); Boiling Point: 97.00 to 99.00 °C. @ 760.00 mm Hg; Boiling Point: 97 °C.

Identification

CAS Registry Number	115-18-4
PubChem CID	8257
Molecular formula	C5H10O
IUPAC name	2-methylbut-3-en-2-ol
UNII (FDA)	SH64HE46L9

Computed Descriptors

Molecular Weight	86.13
XLogP3	0.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	1
Exact Mass	86.073164938
Monoisotopic Mass	86.073164938
Topological Polar Surface Area	20.2
Heavy Atom Count	6
Formal Charge	0

Physical & Chemical Properties

Boiling Point	208.4 to 210.2 °F at 760 mmHg (USCG, 1999)
Boiling Point	97.00 to 99.00 °C. @ 760.00 mm Hg
Boiling Point	97 °C
Melting Point	-28 °C
Flash Point	56 °F (USCG, 1999)
Flash Point	10 °C c.c.
Solubility	1000 mg/mL
Density	0.8 g/cm³
Vapor Pressure	23.5 [mmHg]
LogP	0.66

Physical description & handling notes

• Methyl butenol is a colorless liquid. (USCG, 1999)
• Colorless liquid; [CAMEO] Colorless liquid with an odor like alcohol; [Alfa Aesar MSDS]
• Liquid
• COLOURLESS LIQUID WITH CHARACTERISTIC ODOUR.
• Solubility in water, g/100ml at 20 °C: 19 (good)
• 0.824 (USCG, 1999) - Less dense than water; will float

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT Flavoring Agents
GHS notification summary	1.3% (22 / 1724)

GHS Hazard Classification

GHS notification summary	1.3% (22 / 1724)
Reported hazard statements	H225 (98.7%), H302 (98.7%), H319 (98.7%), H336, H361

Documented Uses

• Narcotic, sleep-producing principle from hops. [ChemIDplus] Used as a flavoring agent; [FDA]
• 3-Buten-2-ol, 2-methyl-: ACTIVE

Synonyms

2-METHYL-3-BUTEN-2-OL; 115-18-4; 2-Methylbut-3-en-2-ol; 3-Buten-2-ol, 2-methyl-; 1,1-Dimethylallyl alcohol; 3-Hydroxy-3-methylbutene; Dimethylvinylcarbinol; Dimethylvinylmethanol; Vinyldimethylcarbinol; 1,1-Dimethyl-2-propenol; 2-Methyl-2-hydroxy-3-butene; 2-Methyl-3-buten-2-yl alcohol; alpha,alpha-Dimethylallyl alcohol; DTXSID3047471; SH64HE46L9; NSC-15977

Frequently Asked Questions

What are the CAS number and molecular formula of 2-Methyl-3-buten-2-ol?

CAS 115-18-4; molecular formula C5H10O; molecular weight — g/mol.

What other names is 2-Methyl-3-buten-2-ol known by?

2-METHYL-3-BUTEN-2-OL, 115-18-4, 2-Methylbut-3-en-2-ol, 3-Buten-2-ol, 2-methyl-, 1,1-Dimethylallyl alcohol, 3-Hydroxy-3-methylbutene.

What is the regulatory status of 2-Methyl-3-buten-2-ol?

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

Is 2-Methyl-3-buten-2-ol classified as hazardous?

1.3% of GHS notifications report no hazard classification (22 of 1724).

What are the key physical properties of 2-Methyl-3-buten-2-ol?

Boiling Point: 208.4 to 210.2 °F at 760 mmHg (USCG, 1999); Boiling Point: 97.00 to 99.00 °C. @ 760.00 mm Hg; Boiling Point: 97 °C; Melting Point: -28 °C.

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.