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1-Chloro-3-methyl-2-butene

CAS No.
503-60-6
Chemical Name:
1-Chloro-3-methyl-2-butene
Synonyms
1-CHLORO-3-METHYLBUT-2-ENE;PRENYL CHLORIDE;Isopentenyl chloride;-2-butene;Isoprenylchloride;Isoprenyl chloride;chloroisopentylene;1-Chloro-3-methyl-2-;3-methylcrotylchloride;3-Methylcrotyl chloride
CBNumber:
CB8214212
Molecular Formula:
C5H9Cl
Molecular Weight:
104.58
MDL Number:
MFCD00000982
MOL File:
503-60-6.mol
MSDS File:
SDS
Last updated:2026-05-28 03:50:18
Product description Number Pack Size Price
1-Chloro-3-methyl-2-butene 95% 303259 5g $79.4
1-Chloro-3-methyl-2-butene 95% 303259 25g $288
1-Chloro-3-methyl-2-butene (stabilized with K2CO3) >85.0%(GC) C1290 25mL $115
1-Chloro-3-methyl-2-butene (stabilized with K2CO3) >85.0%(GC) C1290 250mL $856
1-Chloro-3-methyl-2-butene (>85%) 409500 5g $312
More product size

1-Chloro-3-methyl-2-butene Properties

Boiling point 58-59 °C/120 mmHg (lit.)
Density 0.928 g/mL at 25 °C (lit.)
refractive index n20/D 1.4488(lit.)
RTECS EM4298500
Flash point 56 °F
storage temp. 2-8°C
solubility soluble in Chloroform, Ethyl Acetate
form clear liquid
color Colorless to Light yellow
Water Solubility Miscible with chloroform, acetone, diethyl ether and alcohol. Immiscible with water.
InChI InChI=1S/C5H9Cl/c1-5(2)3-4-6/h3H,4H2,1-2H3
InChIKey JKXQKGNGJVZKFA-UHFFFAOYSA-N
SMILES C(Cl)/C=C(/C)\C
CAS DataBase Reference 503-60-6(CAS DataBase Reference)
FDA UNII KMT7V9LLBR
NIST Chemistry Reference 2-Butene, 1-chloro-3-methyl-(503-60-6)
EPA Substance Registry System 2-Butene, 1-chloro-3-methyl- (503-60-6)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Flame (GHS02)Exclamation Mark (GHS07)
GHS02,GHS07
Signal word  Danger
Hazard statements  H225-H315-H319-H335
Precautionary statements  P210-P233-P240-P241-P303+P361+P353-P305+P351+P338
target organs Respiratory system
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  F,Xi
Risk Statements  11-36/37/38
Safety Statements  16-26-27-36/37/39
RIDADR  UN 1993 3/PG 2
WGK Germany  3
TSCA  TSCA listed
HazardClass  3
PackingGroup  III
HS Code  29032990
Storage Class 3 - Flammable liquids
Hazard Classifications Eye Irrit. 2
Flam. Liq. 2
Skin Irrit. 2
STOT SE 3
Hazardous Substances Data 503-60-6(Hazardous Substances Data)
REACH Registrations Active
Limited Quantities 1.0 L (0.3 gallon) (liquid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
NFPA 704
3
2 0

1-Chloro-3-methyl-2-butene price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 303259 1-Chloro-3-methyl-2-butene 95% 503-60-6 5g $79.4 2026-04-30 Buy
Sigma-Aldrich 303259 1-Chloro-3-methyl-2-butene 95% 503-60-6 25g $288 2026-04-30 Buy
TCI Chemical C1290 1-Chloro-3-methyl-2-butene (stabilized with K2CO3) >85.0%(GC) 503-60-6 25mL $115 2026-04-30 Buy
TCI Chemical C1290 1-Chloro-3-methyl-2-butene (stabilized with K2CO3) >85.0%(GC) 503-60-6 250mL $856 2026-04-30 Buy
Usbiological 409500 1-Chloro-3-methyl-2-butene (>85%) 503-60-6 5g $312 2026-06-03 Buy
Product number Packaging Price Buy
303259 5g $79.4 Buy
303259 25g $288 Buy
C1290 25mL $115 Buy
C1290 250mL $856 Buy
409500 5g $312 Buy

1-Chloro-3-methyl-2-butene Chemical Properties,Uses,Production

Chemical Properties

Colorless Liquid

Uses

1-Chloro-3-methyl-2-butene is used in the synthesis of geraniol. It is also used as an alkylating agent and as a reagent in hyperforin. Further, it is used as an antibiotic to inhibit growth of tumor cells.

General Description

Kinetics of gas-phase reactions of ozone with 1-chloro-3-methyl-2-butene was studied. Reaction of 1-chloro-3-methyl-2-butene with potassium iodide in acetone and sodium ethoxide in ethanol was studied.

Global( 215)Suppliers
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Shanghai 3S Technology Co., Ltd
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18503026267 info@antaichem.com CHINA 9636 58
SIMAGCHEM CORP
+86-5922680277 +86-13806087780 sale@simagchem.com China 17346 58

View Lastest Price from 1-Chloro-3-methyl-2-butene manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
1-Chloro-3-methyl-2-butene pictures 2026-06-30 1-Chloro-3-methyl-2-butene
503-60-6
1KG 98.0% 10000KGS Shaanxi Dideu New Materials Co. Ltd
1-Chloro-3-methyl-2-butene pictures 2025-12-24 1-Chloro-3-methyl-2-butene
503-60-6
1KG 98.0% 10 Shaanxi Dideu Medichem Co. Ltd
1-Chloro-3-methyl-2-butene pictures 2023-08-31 1-Chloro-3-methyl-2-butene
503-60-6
$100.00 1bag 99 5000 Hebei Fengqiang Trading Co., LTD
1-Chloro-3-methyl-2-butene,95%,stab.withpotassiumcarbonate 1-CHLORO-3-METHYL-2-BUTENE , STABILIZED WITH POTASSIUM CARBONATE 1-CHLORO-3-METHYL-2-BUTENE 96+% 1-Chloro-3-methyl-2-butene (stabilized with K2CO3) 1-Chloro-3-methyl-2- 3,3-Dimethylallyl chloride, Prenyl chloride 1-Chloro-3-methyl-2-butene,95% (99% min. total isomers) 3,3-Dimethylallyl chloride, Prenyl chloride, 3-Methylbut-2-en-1-yl chloride 3,3-dimethylallylchloride 3,3-Dimethyllallyl chloride 3-Methyl-1-chloro-2-butene 3-Methyl-2-butenyl chloride 3-methyl-2-butenylchloride 3-Methylcrotyl chloride 3-methylcrotylchloride gamma,gamma-Dimethylallyl chloride gamma,gamma-dimethylallylchloride Isoprenyl chloride Isoprenylchloride Chloromethylbutenepract 1-Chloro-3-methylbut-2-ene, tech 1-Chloro-3-Methyl-2-butene, 95%, stabilized with K2CO3, 95% 1,1-Dimethyl-3-chloro-1-propene 1-chloro-3-methyl-2-buten 1-Chloro-3-methyl-2-butene,pract 2-Butene,1-chloro-3-methyl- 2-Methyl-4-chloro-2-butene 3,3-Dimethylallyl chloride 1-CHLORO-3-METHYL-2-BUTENE 1-CHLORO-3-METHYL-2-BUTYLENE 1-Chloro-3-methyl-2-butene (stabilized with K2CO3)> -2-butene 1-Chloro-3-methyl-2-butene (>85%) chloroisopentylene 1-CHLORO-3-METHYLBUT-2-ENE Isopentenyl chloride PRENYL CHLORIDE 503-60-6 CH32CCHCH2Cl HALOGEN Organic Building Blocks Halogenated Hydrocarbons Alkenyl Building Blocks API Intermediate Alkenyl Halogenated Hydrocarbons Organic Building Blocks