ChemicalBook > CAS DataBase List > 1-Pentanethiol
1-Pentanethiol
- Product Name
- 1-Pentanethiol
- CAS No.
- 110-66-7
- Chemical Name
- 1-Pentanethiol
- Synonyms
- Pentanethiol;Pentane-1-thiol;PENTYL MERCAPTAN;Pentalarm;pentanthiol;CH3(CH2)4SH;MERCAPTAN C5;1-Pentanthiol;AMYL MERCAPTAN;1-Pentanethio1
- CBNumber
- CB2108908
- Molecular Formula
- C5H12S
- Formula Weight
- 104.21
- MOL File
- 110-66-7.mol
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1-Pentanethiol Property
- Melting point:
- -76°C
- Boiling point:
- 126 °C (lit.)
- Density
- 0.84 g/mL at 25 °C (lit.)
- vapor density
- 3.59
- vapor pressure
- 27.4 mm Hg ( 37.7 °C)
- refractive index
- n20/D 1.446(lit.)
- FEMA
- 4333 | 1-PENTANETHIOL
- Flash point:
- 65 °F
- storage temp.
- Store below +30°C.
- solubility
- 0.16g/l
- pka
- 10.51±0.10(Predicted)
- form
- liquid
- color
- Water-white to yellow liquid
- Odor
- at 0.10 % in propylene glycol. sulfurous fatty roasted meaty vegetable
- Odor Type
- sulfurous
- Odor Threshold
- 0.00000078ppm
- Water Solubility
- practically insoluble
- Sensitive
- Air Sensitive
- Merck
- 14,611
- JECFA Number
- 1662
- BRN
- 1730979
- Exposure limits
- NIOSH: Ceiling 0.5 ppm(2.1 mg/m3)
- Dielectric constant
- 4.5499999999999998
- LogP
- 2.74
- CAS DataBase Reference
- 110-66-7(CAS DataBase Reference)
- NIST Chemistry Reference
- 1-Pentanethiol(110-66-7)
- EPA Substance Registry System
- Amyl mercaptan (110-66-7)
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Safety
- Hazard Codes
- F,Xn
- Risk Statements
- 11-20/22-36/37/38
- Safety Statements
- 16-23-24/25-37/39-26
- RIDADR
- UN 1111 3/PG 2
- WGK Germany
- 3
- RTECS
- SA3150000
- F
- 9-13-23
- TSCA
- Yes
- HazardClass
- 3
- PackingGroup
- II
- HS Code
- 29309090
- Hazardous Substances Data
- 110-66-7(Hazardous Substances Data)
- Toxicity
- LCLo ihl-rat: 2000 ppm/4H JIHTAB 31,343,49
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H225Highly Flammable liquid and vapour
- 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.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- P7908
- Product name
- 1-Pentanethiol
- Purity
- 98%
- Packaging
- 25g
- Price
- $80
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- P7908
- Product name
- 1-Pentanethiol
- Purity
- 98%
- Packaging
- 100g
- Price
- $270
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- 8.41749
- Product name
- 1-Pentanethiol
- Purity
- for synthesis
- Packaging
- 50ML
- Price
- $200
- Updated
- 2023/01/07
TCI Chemical
- Product number
- P0053
- Product name
- 1-Pentanethiol
- Purity
- >98.0%(GC)(T)
- Packaging
- 25mL
- Price
- $59
- Updated
- 2024/03/01
TCI Chemical
- Product number
- P0053
- Product name
- 1-Pentanethiol
- Purity
- >98.0%(GC)(T)
- Packaging
- 500mL
- Price
- $495
- Updated
- 2024/03/01
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1-Pentanethiol Chemical Properties,Usage,Production
Chemical Properties
clear colorless liquid; meaty aroma. slightly soluble in water, easily soluble in alcohol and ether.
Uses
1-Pentanethiol is a raw material for organic synthesis. It is mainly used in the organic synthesis of sulfur compounds.
Uses
1-Pentanethiol can be used as additives for hair coloring agents.
Preparation
1-Pentanethiol is synthesized from n-pentyl alcohol and hydrogen sulfide catalyzed by thorium dioxide.
Definition
ChEBI: 1-Pentanethiol is an alkanethiol.
Aroma threshold values
High strength odor; recommend smelling in a 0.10% solution or less.
General Description
1-Pentanethiol appears as a clear colorless to light-yellow liquid with an offensive odor. Flash point 65°F. Less dense than water and insoluble in water. Hence floats on water. Vapors are heavier than air. May be toxic by inhalation.
Air & Water Reactions
Highly flammable. Insoluble in water.
Reactivity Profile
1-Pentanethiol is incompatible with oxidizing agents, reducing agents, alkali metals, calcium hypochlorite, concentrated nitric acid .
Health Hazard
Inhalation may cause nausea because of offensive odor. Contact with eyes or skin causes slight irritation. Ingestion may cause vomiting.
Safety Profile
Moderately toxic by inhalation. A weak sensitizer and allergen. Local contact may cause contact dermatitis. A flammable liquid and dangerous fire hazard when exposed to heat or flame; can react vigorously with oxidming materials. Hypergolic reaction with concentrated nitric acid. To fight fire, use foam, CO2, dry chemical. See also MERCAPTANS
Purification Methods
Dissolve the thiol in aqueous 20% NaOH, then extract with a small amount of diethyl ether. The aqueous solution is acidified slightly with 15% H2SO4, and the thiol is distilled out, dried with CaSO4 or CaCl2, and fractionally distilled under nitrogen. [Ellis & Reid J Am Chem Soc 54 1674 1932, Beilstein 1 IV 1453.]
1-Pentanethiol Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from 1-Pentanethiol manufacturers
Hangzhou ICH Biofarm Co., Ltd
- Product
- 1-PENTANETHIOL 110-66-7
- Price
- US $0.00-0.00/kg
- Min. Order
- 0.10000000149011612kg
- Purity
- 99.0%min
- Supply Ability
- 20000kg
- Release date
- 2023-06-29
Zhuozhou Wenxi import and Export Co., Ltd
- Product
- 1-Pentanethiol 110-66-7
- 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
- 1-Pentanethiol 110-66-7
- Price
- US $1.00/kg
- Min. Order
- 1kg
- Purity
- 95%-99%
- Supply Ability
- as request
- Release date
- 2018-12-24
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