ChemicalBook > CAS DataBase List > 3-Hexyn-2,5-diol

3-Hexyn-2,5-diol

Product Name
3-Hexyn-2,5-diol
CAS No.
3031-66-1
Chemical Name
3-Hexyn-2,5-diol
Synonyms
3-HEXYNE-2,5-DIOL;NISTC3031661;3-Hexin-2,5-diol;3-hexyn-2,5-diol;2,5- hexyne diol;Hexyne-3-diol-2,5;Hx-3-yne-2,5-diol;hex-3-yne-2,5-diol;3-Hexyne-2,5-diol>3-hexyne-2.5-diol(HD)
CBNumber
CB3416941
Molecular Formula
C6H10O2
Formula Weight
114.14
MOL File
3031-66-1.mol
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3-Hexyn-2,5-diol Property

Melting point:
42 °C(lit.)
Boiling point:
121 °C15 mm Hg(lit.)
Density 
1.009 g/mL at 25 °C(lit.)
vapor pressure 
0.1Pa at 20℃
refractive index 
n20/D 1.473(lit.)
Flash point:
>230 °F
storage temp. 
2-8°C
solubility 
Chloroform (Slightly), Methanol (Slightly)
form 
Oil
pka
12.80±0.20(Predicted)
color 
Pale Yellow
BRN 
1720667
LogP
-0.24 at 25℃
CAS DataBase Reference
3031-66-1(CAS DataBase Reference)
NIST Chemistry Reference
3-Hexyne-2,5-diol(3031-66-1)
EPA Substance Registry System
3-Hexyne-2,5-diol (3031-66-1)
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Safety

Hazard Codes 
T
Risk Statements 
25-36
Safety Statements 
26-36/37/39-45
RIDADR 
UN 2811 6.1/PG 3
WGK Germany 
2
RTECS 
MR0175000
HazardClass 
6.1(b)
PackingGroup 
III
Toxicity
mouse,LDLo,intraperitoneal,500mg/kg (500mg/kg),"Summary Tables of Biological Tests," National Research Council Chemical-Biological Coordination Center. Vol. 4, Pg. 378, 1952.
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

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

TRC
Product number
H298200
Product name
3-Hexyne-2,5-diol
Packaging
250mg
Price
$110
Updated
2021/12/16
TRC
Product number
H298200
Product name
3-Hexyne-2,5-diol
Packaging
5g
Price
$375
Updated
2021/12/16
Oakwood
Product number
242593
Product name
Hex-3-yne-2,5-diol
Purity
97%
Packaging
1g
Price
$10
Updated
2021/12/16
Crysdot
Product number
CD13015983
Product name
Hex-3-yne-2,5-diol
Purity
95+%
Packaging
100g
Price
$120
Updated
2021/12/16
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3-Hexyn-2,5-diol Chemical Properties,Usage,Production

Description

3-Hexyne-2,5-diol is a more or less solid yellow mass of crystals depending on the relative content of the meso form. It is miscible with water and polar solvents. 3-Hexyne-2,5-diol is produced by BASF from acetylene and acetaldehyde by the Reppe ethynylation method.

Uses

3-Hexyne-2,5-diol is used in the synthesis of hyperbrancehed poly([1,2,3]-triazoles. Also used in the synthesis of pyrazoles and thiopyrazoles.

Application

3-Hexyne-2,5-diol is used in nickel process baths as a brightener. It is the starting material for production of pyrroles and of 2,5-hexanediol, as well as in the production of 4-hydroxy-2,5-dimethyl-3-(2H)-furanone, trade name Furaneol, used as pineapple and strawberry flflavor.

Flammability and Explosibility

Non flammable

3-Hexyn-2,5-diol Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Hexyn-2,5-diol Suppliers

HUBEI ZHENBO CHEM CO,LTD
Tel
18086513998
Email
hubeizhenbochem@163.com
Country
China
ProdList
455
Advantage
58
Wuhan Qingzijing New Materials
Tel
19879292797
Email
603611987@qq.com
Country
China
ProdList
65
Advantage
58
Wuhan EnTai Technology Development Co,.Ltd
Tel
86-27-82330560
Fax
86-27-82330547
Email
2536851935@qq.com
Country
China
ProdList
348
Advantage
69
J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Syntechem Co.,Ltd
Tel
Fax
E-Mail Inquiry
Email
info@syntechem.com
Country
China
ProdList
12990
Advantage
57
Tangshan Moneide Trading Co., Ltd.
Tel
0315-8309571 15633399667
Fax
+86-315-7726572
Email
sales@moneidechem.com
Country
China
ProdList
704
Advantage
57
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View Lastest Price from 3-Hexyn-2,5-diol manufacturers

Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
3-Hexyn-2,5-diol 3031-66-1
Price
US $30.00/kg
Min. Order
1kg
Purity
99.9%
Supply Ability
200000kg
Release date
2024-04-24
Hebei Mojin Biotechnology Co., Ltd
Product
3-Hexyn-2,5-diol 3031-66-1
Price
US $0.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
50000KG/month
Release date
2023-06-21
Hebei Guanlang Biotechnology Co,.LTD
Product
3-Hexyn-2,5-diol 3030-66-1
Price
US $49.60/KG
Min. Order
1KG
Purity
99%
Supply Ability
5000kg
Release date
2021-07-13

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