ChemicalBook > CAS DataBase List > 4-Mercapto-4-methylpentan-2-one

4-Mercapto-4-methylpentan-2-one

Product Name
4-Mercapto-4-methylpentan-2-one
CAS No.
19872-52-7
Chemical Name
4-Mercapto-4-methylpentan-2-one
Synonyms
4MMP;FEMA 3997;CAT KETONE;Einecs 243-386-8;METHYLMERCAPTOPENTANONE;4-Methyl-4-thiolpentan-2-one;2-METHYL-4-OXOPENTANE-2-THIOL;4-mercapto-4-methyl-2-pentanon;4-METHYL-4-MERCAPTO-2-PENTANONE;4-MERCAPTO-4-METHYLPENTAN-2-ONE
CBNumber
CB4421582
Molecular Formula
C6H12OS
Formula Weight
132.22
MOL File
19872-52-7.mol
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4-Mercapto-4-methylpentan-2-one Property

Boiling point:
174℃
Density 
0.961
FEMA 
3997 | 4-MERCAPTO-4-METHYL-2-PENTANONE
refractive index 
1.4620
Flash point:
54 °C
storage temp. 
Inert atmosphere,Room Temperature
solubility 
Chloroform (Soluble), Methanol (Slightly)
form 
clear liquid
pka
10.32±0.25(Predicted)
color 
Colorless to Light yellow
Odor
at 0.10 % in propylene glycol. sulfurous meaty catty black currant
Odor Type
sulfurous
Water Solubility 
Soluble in water.
Sensitive 
Air Sensitive
JECFA Number
1293
Stability:
Hygroscopic
LogP
1.23
CAS DataBase Reference
19872-52-7(CAS DataBase Reference)
NIST Chemistry Reference
2-Pentanone, 4-mercapto-4-methyl-(19872-52-7)
EPA Substance Registry System
2-Pentanone, 4-mercapto-4-methyl- (19872-52-7)
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Safety

Risk Statements 
10-36/37/38
Safety Statements 
26
TSCA 
Yes
HS Code 
2930.90.9250
HazardClass 
3
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H226Flammable liquid and vapour

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P233Keep container tightly closed.

P240Ground/bond container and receiving equipment.

P241Use explosion-proof electrical/ventilating/lighting/…/equipment.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

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
W399701
Product name
2-Methyl-4-oxopentane-2-thiol
Purity
≥99%, FG
Packaging
SAMPLE
Price
$54.2
Updated
2024/03/01
Sigma-Aldrich
Product number
W399701
Product name
2-Methyl-4-oxopentane-2-thiol
Purity
≥99%, FG
Packaging
100G
Price
$108
Updated
2024/03/01
Sigma-Aldrich
Product number
W399701
Product name
2-Methyl-4-oxopentane-2-thiol
Purity
≥99%, FG
Packaging
1KG
Price
$596
Updated
2024/03/01
TCI Chemical
Product number
M3271
Product name
4-Mercapto-4-methyl-2-pentanone
Packaging
5G
Price
$81
Updated
2024/03/01
TCI Chemical
Product number
M3271
Product name
4-Mercapto-4-methyl-2-pentanone
Packaging
25G
Price
$237
Updated
2024/03/01
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4-Mercapto-4-methylpentan-2-one Chemical Properties,Usage,Production

Chemical Properties

4-Mercapto-4-methyl-2-pentanone is repellent when neat or in high concentrations. It has a meaty, black currant-like odor. It is used to create the “catty note” (cat-like) of black currant.

Occurrence

Reportedly present in sauvignon grapes, cabernet sauvignon wine, beer, green tea and grapefruit juice.

Uses

4-Mercapto-4-methyl-2-pentanone is one of the most strongly contributing odorants in the volatile fraction of a Japanese green tea (sen-cha) infusion, and on the basis of the results of an aroma extract dilution analysis. 4-mercapto-4-methyl-2-pentanone in the grapefruit/sulfury group was found in reconstituted concentrate after thermal concentration.

Definition

ChEBI: An alkylthiol that is 4-methylpentan-2-one substituted at position 4 by a mercapto group.

Aroma threshold values

Odor threshold in water, 0.0001 to 0.005 ppb (for 2-mercapto-2-methyl-4-pentanone).

4-Mercapto-4-methylpentan-2-one Preparation Products And Raw materials

Raw materials

Preparation Products

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4-Mercapto-4-methylpentan-2-one Suppliers

Americas 1 China 189 Europe 1 Germany 3 India 4 Japan 1 United Kingdom 7 United States 30 USA 1 Global 237
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View Lastest Price from 4-Mercapto-4-methylpentan-2-one manufacturers

Hebei Zhuanglai Chemical Trading Co.,Ltd
Product
4-Mercapto-4-Methylpentan-2-One 19872-52-7
Price
US $120.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
20ton
Release date
2024-05-24
JINING XINHE CHEMICAL CO., LTD
Product
4-Mercapto-4-methylpentan-2-one 19872-52-7
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98.6%
Supply Ability
10ton
Release date
2024-07-16
JINING XINHE CHEMICAL CO., LTD
Product
4-Mercapto-4- methyl-2-pentanone 19872-52-7
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
98.99%
Supply Ability
10ton
Release date
2024-07-15

19872-52-7, 4-Mercapto-4-methylpentan-2-oneRelated Search:

METSULFURON METHYL 3-Mercaptopropionic acid Thiophanate-methyl 4-Methyl-2-pentanone Mesotrione Methyl acrylate Calcium thioglycolate Mercaptoacetic acid Bensulfuron methyl Mesityl oxide 2-Ethylhexyl mercaptoacetate Methyl acetate Kresoxim-methyl Methylparaben 3-Mercapto-2-pentanone Methyl cyclopentenolone Methyl 2-Mercaptoethanol

  • 2-Pentanone, 4-mercapto-4-methyl-
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  • 4-METHYL-4-MERCAPTO-2-PENTANONE
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  • METHYLMERCAPTOPENTANONE
  • CAT KETONE
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  • 4-METHYL-4-MERCAPTOPENTAN-2-ONE 1% IN PG
  • 4-METHYL-4-MERCAPTOPENTAN-2-ONE PURE
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  • Einecs 243-386-8
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  • 4-Methyl-4-Mercaptan-2-pentanone >=98.0%
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  • 4-Mercapto-4-methyl-2-pentanone,98%
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  • 19872-52-7
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