Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-METHYL-3-HEXEN-2-ONE
Price: Check
Purity: 75.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 5-methyl-3-hexen-2-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5166-53-0

5166-53-0 structure

5166-53-0 structure

Name: 5-METHYL-3-HEXEN-2-ONE
Chemical Name: 5-methyl-3-hexen-2-one
CAS Number: 5166-53-0
Molecular Formula: C₇H₁₂O
Molecular Weight: 112.17000
Catalog: Flavors and spices Synthetic spice Ketone fragrance Decenone
Create Date: 2018-08-09 06:29:35
Modify Date: 2025-08-25 17:58:56

Name	5-methyl-3-hexen-2-one
Synonyms	2-methyl-3-hexen-5-one trans-5-methyl-3-hexen-2-one 5-methyl-3-hexen-2-on 2-Oxo-5-methylhex-3-ene MFCD00012166 5-METHYLHEX-3-EN-2-ONE 3-HEXAN-2-ONE,5-METHYL EINECS 225-950-5 5-Methyl-3-hexene-2-one trans-5-methyl-3-hexen-1-one 5-Methyl-2-oxohex-3-ene 3-Hexen-2-one,5-methyl 5-methyl-trans-3-hexen-2-one trans-5-methylhex-3-en-2-one 3-Hexen-2-one,5-Me 5-Methyl-3-hexen-2-one FEMA 3409 5-methyl-hexene-2-one

Density	0.85 g/mL at 25 °C(lit.)
Boiling Point	157°C
Molecular Formula	C₇H₁₂O
Molecular Weight	112.17000
Flash Point	118 °F
Exact Mass	112.08900
PSA	17.07000
LogP	1.78760
Index of Refraction	n20/D 1.44(lit.)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: MP8750000

CHEMICAL NAME :: 3-Hexen-2-one, 5-methyl-

CAS REGISTRY NUMBER :: 5166-53-0

BEILSTEIN REFERENCE NO. :: 1720101

LAST UPDATED :: 199710

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C7-H12-O

MOLECULAR WEIGHT :: 112.19

WISWESSER LINE NOTATION :: 1V1U1Y2&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1680 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 500 ppm/4H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 450 uL/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 28,313,1974

Symbol	GHS02, GHS06
Signal Word	Danger
Hazard Statements	H226-H302 + H332-H311
Precautionary Statements	P280-P312
Hazard Codes	Xn
Risk Phrases	10-20/21/22
Safety Phrases	S16-S27-S36/37/39-S45
RIDADR	UN 1992 3/PG 3
WGK Germany	3
RTECS	MP8750000
Packaging Group	III
Hazard Class	3
HS Code	2914190090

HS Code	2914190090
Summary	2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

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