ChemicalBook > CAS DataBase List > 3-Methyl-1,3-butanediol

3-Methyl-1,3-butanediol

Product Name
3-Methyl-1,3-butanediol
CAS No.
2568-33-4
Chemical Name
3-Methyl-1,3-butanediol
Synonyms
NSC 62084;ISOPENTYLDIOL;Isopreneglycol;1,3-Isopentyldiol;Methyl-1,3-butanediol;3-METHYL-1,3-BUTANEDIOL;2-Methyl-2,4-butanediol;3-Methylbutane-1,3-diol;1,3-Butanediol, 3-methyl-;3-Methyl-1,3-butanediol>
CBNumber
CB1229493
Molecular Formula
C5H12O2
Formula Weight
104.15
MOL File
2568-33-4.mol
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3-Methyl-1,3-butanediol Property

Melting point:
50.86°C (estimate)
Boiling point:
203-205 °C(lit.)
Density 
0.976 g/mL at 20 °C(lit.)
vapor pressure 
2.8hPa at 24.85℃
refractive index 
n20/D 1.442
Flash point:
105 °C
storage temp. 
Sealed in dry,Room Temperature
solubility 
Completely miscible in water
form 
clear liquid
pka
14.90±0.29(Predicted)
Specific Gravity
0.966
color 
Colorless to Almost colorless
Water Solubility 
1g/L at 20℃
BRN 
1209241
LogP
-0.56 at 20℃
CAS DataBase Reference
2568-33-4
EPA Substance Registry System
1,3-Butanediol, 3-methyl- (2568-33-4)
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Safety

Safety Statements 
23-24/25
WGK Germany 
3
HS Code 
29053995
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
65965
Product name
3-Methyl-1,3-butanediol
Purity
≥97.0% (GC)
Packaging
250ml
Price
$121
Updated
2025/07/31
Sigma-Aldrich
Product number
65965
Product name
3-Methyl-1,3-butanediol
Purity
≥97.0% (GC)
Packaging
1l
Price
$327
Updated
2023/01/07
TCI Chemical
Product number
M0818
Product name
3-Methyl-1,3-butanediol
Purity
>98.0%(GC)
Packaging
25mL
Price
$32
Updated
2025/07/31
TCI Chemical
Product number
M0818
Product name
3-Methyl-1,3-butanediol
Purity
>98.0%(GC)
Packaging
500mL
Price
$109
Updated
2025/07/31
Usbiological
Product number
283033
Product name
3-Methyl-1,3-butanediol
Packaging
100g
Price
$340
Updated
2021/12/16
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3-Methyl-1,3-butanediol Chemical Properties,Usage,Production

Chemical Properties

Clear colorless liquid

Uses

3-Methyl-1,3-butanediol is a useful compound in carbon oxygen coupling reactions.

Definition

3-methyl-1,3-butanediol (BDO) is a alkanediols. BDO is preferentially dehydrated into two unsaturated alcohol isomers such as 3M2B1ol and 2-methyl-3-buten-2-ol (2M3B2ol) over CeO2 catalyst at 375 °C. It was found that the selectivity to 3-methyl-3-buten-1-ol was increased by the coke deposition over Al2O3 catalysts in the dehydration of 3-methyl-1,3-butanediol at 200 °C[1].

References

[1] Yuki, et al. "Dehydration of 3-methyl-1,3-butanediol over Al2O3 modified with carbon." Applied Catalysis A General (2014).

3-Methyl-1,3-butanediol Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 3-Methyl-1,3-butanediol manufacturers

Hebei Chuanghai Biotechnology Co,.LTD
Product
3-Methyl-1,3-butanediol 2568-33-4
Price
US $50.00-12.50/KG
Min. Order
1KG
Purity
99%
Supply Ability
10000kg
Release date
2025-06-06
Hebei Chuanghai Biotechnology Co., Ltd
Product
3-METHYL-1,3-BUTANEDIOL 2568-33-4
Price
US $10.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
10 mt
Release date
2024-11-21
Hebei Zhuanglai Chemical Trading Co Ltd
Product
3-Methyl-1,3-butanediol 2568-33-4
Price
US $79.00-38.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-11-27

2568-33-4, 3-Methyl-1,3-butanediolRelated Search:

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