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1-Pentanethiol structure
Chemical Name:
Pentalarm;CH3(CH2)4SH;pentanthiol;Pentanethiol;MERCAPTAN C5;1-Pentanthiol;1-Pentanethio1;1-PENTANETHIOL;AMYL MERCAPTAN;Pentan-1-thiol
Molecular Formula:
Formula Weight:
MOL File:

1-Pentanethiol Properties

Melting point:
Boiling point:
126 °C(lit.)
0.84 g/mL at 25 °C(lit.)
vapor pressure 
27.4 mm Hg ( 37.7 °C)
refractive index 
n20/D 1.446(lit.)
Flash point:
65 °F
storage temp. 
Flammables area
Water Solubility 
practically insoluble
Air Sensitive
JECFA Number
CAS DataBase Reference
110-66-7(CAS DataBase Reference)
NIST Chemistry Reference
EPA Substance Registry System
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
  • NFPA
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
HazardClass  3
PackingGroup  II
HS Code  29309090
Hazardous Substances Data 110-66-7(Hazardous Substances Data)
Signal word: Danger
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P233 Keep container tightly closed.
P240 Ground/bond container and receiving equipment.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P370+P378 In case of fire: Use … for extinction.
P405 Store locked up.
P403+P235 Store in a well-ventilated place. Keep cool.
P501 Dispose of contents/container to..…

NFPA 704

Diamond Hazard Value Description
2 0
HEALTH   2 Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury (e.g. diethyl ether, ammonium phosphate, iodine)
FIRE  3 Liquids and solids (including finely divided suspended solids) that can be ignited under almost all ambient temperature conditions . Liquids having a flash point below 22.8 °C (73 °F) and having a boiling point at or above 37.8 °C (100 °F) or having a flash point between 22.8 and 37.8 °C (73 and 100 °F). (e.g. gasoline, acetone)
REACT   0 Normally stable, even under fire exposure conditions, and is not reactive with water (e.g. helium,N2)

(NFPA, 2010)

1-Pentanethiol price More Price(7)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich P7908 1-Pentanethiol 98% 110-66-7 25g-a $58.5 2018-11-20 Buy
Sigma-Aldrich P7908 1-Pentanethiol 98% 110-66-7 100g-a $197 2018-11-20 Buy
TCI Chemical P0053 1-Pentanethiol >98.0%(GC)(T) 110-66-7 25mL $52 2018-11-22 Buy
TCI Chemical P0053 1-Pentanethiol >98.0%(GC)(T) 110-66-7 500mL $443 2018-11-22 Buy
Alfa Aesar L04330 1-Pentanethiol, 97% 110-66-7 25g $52.1 2018-11-13 Buy

1-Pentanethiol Chemical Properties,Uses,Production

Chemical Properties



In organic syntheses.

General Description

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

1-Pentanethiol Suppliers

Global( 106)Suppliers
Supplier Tel Fax Email Country ProdList Advantage
Mainchem Co., Ltd.
+86-0592-6210733 CHINA 32651 55
Hubei Jusheng Technology Co.,Ltd.
86-188-71490254 CHINA 20243 58
career henan chemical co
+86-371-86658258 CHINA 19997 58
Kono Chem Co., Ltd
+86-132 8924 6953 CHINA 2164 58
J & K SCIENTIFIC LTD. 400-666-7788 +86-10-82848833
+86-10-82849933; China 96815 76
Meryer (Shanghai) Chemical Technology Co., Ltd. +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-62670440(Beijing)
+86-(0)21-61259102(Shanghai) +86-(0)755-86170066(ShenZhen) +86-(0)10-88580358(Beijing) China 40395 62
Alfa Aesar 400-610-6006; 021-67582000
021-67582001/03/05 China 30291 84
TCI (Shanghai) Development Co., Ltd. 021-67121386 / 800-988-0390
021-67121385 China 24648 81
Beijing dtftchem Technology Co., Ltd. 13651141086; 86(10)60275028、60275820
86 (10) 60270825 China 3430 62
Energy Chemical 021-58432009 / 400-005-6266
021-58436166-800 China 44187 61

View Lastest Price from 1-Pentanethiol manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2018-12-24 1-Pentanethiol
US $1.00 / kg 1kg 95%-99% as request career henan chemical co

1-Pentanethiol Spectrum

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