ChemicalBook > CAS DataBase List > 2,5-Dimethyl-3-hexyne-2,5-diol

2,5-Dimethyl-3-hexyne-2,5-diol

Product Name
2,5-Dimethyl-3-hexyne-2,5-diol
CAS No.
142-30-3
Chemical Name
2,5-Dimethyl-3-hexyne-2,5-diol
Synonyms
HD-M;2,5-dimethylhex-3-yne-2,5-diol;d43;D 43;olfiney;Hexadiindiol;Kemitracin-50;acetylenepinacol;DiMethyl-3-hexyne-;-3-hexyne-2,5-dioL
CBNumber
CB4722915
Molecular Formula
C8H14O2
Formula Weight
142.2
MOL File
142-30-3.mol
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2,5-Dimethyl-3-hexyne-2,5-diol Property

Melting point:
90-94 °C (lit.)
Boiling point:
121-123 °C/7 mmHg (lit.)
Density 
0,949 g/cm3
vapor pressure 
0.025 hPa (40.3 °C)
refractive index 
1.4179 (estimate)
Flash point:
102°C
storage temp. 
Store below +30°C.
solubility 
240g/l
pka
12.91±0.29(Predicted)
form 
Crystalline Flakes or Powder
color 
White to light yellow
Water Solubility 
240 g/L (20 ºC)
BRN 
969835
InChIKey
IHJUECRFYCQBMW-UHFFFAOYSA-N
LogP
0.81 at 25℃
CAS DataBase Reference
142-30-3(CAS DataBase Reference)
NIST Chemistry Reference
3-Hexyne-2,5-diol, 2,5-dimethyl-(142-30-3)
EPA Substance Registry System
3-Hexyne-2,5-diol, 2,5-dimethyl- (142-30-3)
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Safety

Hazard Codes 
Xn
Risk Statements 
42/43
Safety Statements 
7-36-24/25
WGK Germany 
3
RTECS 
MR0176000
TSCA 
Yes
HS Code 
29053980
Hazardous Substances Data
142-30-3(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Danger
Hazard statements

H317May cause an allergic skin reaction

H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements

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

P272Contaminated work clothing should not be allowed out of the workplace.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P342+P311IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
8.18587
Product name
2,5-Dimethyl-3-hexyne-2,5-diol
Purity
for synthesis
Packaging
100G
Price
$70.8
Updated
2024/03/01
Sigma-Aldrich
Product number
222623
Product name
2,5-Dimethyl-3-hexyne-2,5-diol
Purity
98%
Packaging
100g
Price
$149
Updated
2023/01/07
TCI Chemical
Product number
D0738
Product name
2,5-Dimethyl-3-hexyne-2,5-diol
Purity
>99.0%(GC)
Packaging
25g
Price
$22
Updated
2024/03/01
TCI Chemical
Product number
D0738
Product name
2,5-Dimethyl-3-hexyne-2,5-diol
Purity
>99.0%(GC)
Packaging
500g
Price
$114
Updated
2024/03/01
Alfa Aesar
Product number
B20889
Product name
2,5-Dimethyl-3-hexyne-2,5-diol, (±) + meso, 98%
Packaging
100g
Price
$40.65
Updated
2024/03/01
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2,5-Dimethyl-3-hexyne-2,5-diol Chemical Properties,Usage,Production

Description

2,5-Dimethyl-3-hexyne-2,5-diol is a white to yellowish powder or agglomerated alkyne compound commonly used in the manufacture of chemical products and preparations. It is used as a chemical intermediate in spices and peroxide catalysts, and as a drawing lubricant, defoamer, and coupling agent in resin coatings. In addition, it can also be applied as surfactant component and electroplating auxiliary.

Chemical Properties

white to light yellow crystalline flakes or powder

Uses

Ethoxylated acetylene-based diols are highly effective as surfactants and used in many applications.

Synthesis

2,5-Dimethyl-3-hexyne-2,5-diol is produced by addition of acetone to acetylene.

2,5-Dimethyl-3-hexyne-2,5-diol Preparation Products And Raw materials

Raw materials

Preparation Products

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2,5-Dimethyl-3-hexyne-2,5-diol Suppliers

Sichuan Zhongbang Pharma CO.,LTD
Tel
0830-0830-2585019 13679670161
Fax
0830-2589033
Email
sales2@zhongbangst.com
Country
China
ProdList
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69
Hubei Hechang New Material Technology Co., Ltd.
Tel
13296505482
Fax
027-82740161
Email
yuki.peng@hechangchem.com
Country
China
ProdList
29
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58
Wuhan EnTai Technology Development Co,.Ltd
Tel
86-27-82330560
Fax
86-27-82330547
Email
2536851935@qq.com
Country
China
ProdList
348
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J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
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76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
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Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
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TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
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Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
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Jia Xing Isenchem Co.,Ltd
Tel
0573-85285100 18627885956
Fax
0573-85285100
Email
isenchem@163.com
Country
China
ProdList
9555
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66
Shanghai Longsheng chemical Co.,Ltd.
Tel
021-58099652-8005 13585536065
Fax
021-58099609
Email
bin.wu@shlschem.com
Country
China
ProdList
9816
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59
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View Lastest Price from 2,5-Dimethyl-3-hexyne-2,5-diol manufacturers

Henan Aochuang Chemical Co.,Ltd.
Product
2,5-Dimethyl-3-hexyne-2,5-diol 142-30-3
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
1ton
Release date
2022-10-12
Zhuozhou Wenxi import and Export Co., Ltd
Product
2,5-Dimethyl-3-hexyne-2,5-diol 142-30-3
Price
US $15.00-10.00/KG
Min. Order
1KG
Purity
99%+ HPLC
Supply Ability
Monthly supply of 1 ton
Release date
2021-06-27
Career Henan Chemical Co
Product
2,5-Dimethyl-3-hexyne-2,5-diol 142-30-3
Price
US $7.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
JD 549
Release date
2019-09-01

142-30-3, 2,5-Dimethyl-3-hexyne-2,5-diolRelated Search:


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