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Name	1-PENTANETHIOL	EINECS	203-789-1
CAS No.	110-66-7	Density	0.832 g/cm³
PSA	38.80000	LogP	2.10640
Solubility	practically insoluble in water	Melting Point	-76 °C
Formula	C₅H₁₂S	Boiling Point	126.3 °C at 760 mmHg
Molecular Weight	104.216	Flash Point	18.3 °C
Transport Information	UN 1111 3/PG 2	Appearance	clear colorless to light-yellow liquid
Safety	16-23-24/25-37/39-26	Risk Codes	11-20/22-36/37/38
Molecular Structure		Hazard Symbols	F, Xn
Synonyms	Amylthioalcohol;Mercaptopentane;Pentyl mercaptan;Pentylthiol;n-Amyl mercaptan;n-Amylthiol;n-Pentanethiol;n-Pentyl mercaptan;n-Pentylthiol;Amylmercaptan (7CI);Pentanethiol (6CI);1-Mercaptopentane;1-Pentyl mercaptan;1-n-Pentanethiol;Amyl hydrosulfide;Amyl sulfhydrate;	Article Data	25

1-PENTANETHIOL Synthetic route

: 32446-40-5
1-thiocyanatopentane

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With tetraphosphorus decasulfide In toluene for 1.5h; Reflux;	87%

: hexanethioic acid S-pentyl ester

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With titanium tetrachloride; zinc In dichloromethane at 25℃; for 0.166667h;	85%

: C8H16O2S

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With sodium tetrahydroborate In ethanol at 20℃; for 1h;	70%

: 543-59-9
1-Chloropentane

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With tetraethylammonium iodide; 1-(2-hydroxyethyl)-4,6-diphenylpyridin-2-thione In acetonitrile for 26h; Ambient temperature;	61%

: 71-41-0
pentan-1-ol

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With phosphorous (V) sulfide; benzene Erhitzen des Reaktionsprodukts auf 190grad;

: 110-53-2
1-Bromopentane

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With sodium hydrogensulfide; ethanol
With ethanol; potassium hydrosulfide
With potassium hydrosulfide

: 110-53-2
1-Bromopentane

: 17356-08-0
thiourea

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With water Zersetzen des Thiuroniumsalzes mit starker KOH auf dem Wasserbad;

: 56342-26-8
cyano-dithiocarbonimidic acid dipentyl ester

: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With hydrogenchloride

: 110-89-4
piperidine

A: 1613-51-0
sulfure de pentamethylene

B: 1795-09-1
2-methylthiolane

C: 110-86-1
pyridine

D: 10324-58-0
1-pentylpiperidine

E: 110-66-7
n-pentanethiol

Conditions

Conditions	Yield
With hydrogen sulfide; hydrogen; sulfidized Ni-W at 300℃; under 105008 Torr; for 5h; Product distribution;	A n/a B n/a C 0.59 % Chromat. D 3.59 % Chromat. E n/a

...Expand

: 22537-07-1
4-pentenyl-1-amine

A: 1613-51-0
sulfure de pentamethylene

B: 1795-09-1
2-methylthiolane

C: 872-10-6
diamyl sulfide

D: 110-66-7
n-pentanethiol

E: 17651-37-5
pent-4-ene-1-thiol

Conditions

Conditions	Yield
With hydrogen sulfide; hydrogen; sulfidized Ni-W at 300℃; for 5h; Product distribution;

...Expand

1-PENTANETHIOL Chemical Properties

MF: C₅H₁₂S
MW: 104.21
EINECS: 203-789-1
mp： -76°C
bp： 126 °C(lit.)
density： 0.84 g/mL at 25 °C(lit.)
vapor pressure： 27.4 mm Hg ( 37.7 °C)
refractive index： n20/D 1.446(lit.)
Fp： 65 °F
storage temp： Flammables area
Water Solubility： practically insoluble
Sensitive： Air Sensitive
Merck： 611
BRN： 1730979
The structure of 1-PENTANETHIOL is:

1-PENTANETHIOL Toxicity Data With Reference

1、RTECS#: CAS# 110-66-7: SA3150000
2、LD50/LC50: RTECS: Not available.
3、Carcinogenicity: 1-Pentanethiol - Not listed as a carcinogen by ACGIH, IARC, NTP, or CA Prop 65.
4、Other: The toxicological properties have not been fully investigated. See actual entry in RTECS for complete information.

1-PENTANETHIOL Consensus Reports

1-PENTANETHIOL is reported in EPA TSCA Inventory.

1-PENTANETHIOL Safety Profile

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
HazardClass： 3
PackingGroup： II
Hazardous Substances Data： 110-66-7(Hazardous Substances Data)
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 oxidizing materials. Hypergolic reaction with concentrated nitric acid. To fight fire, use foam, CO₂, dry chemical.

1-PENTANETHIOL Standards and Recommendations

NIOSH REL: (Thiols (n-Alkane Mono)) CL 0.5 ppm/15M
DOT Classification: 3; Label: Flammable Liquid, Poison (UN 1228); DOT Class: 6.1; Label: Poison, Flammable Liquid (UN 3071)

1-PENTANETHIOL Specification

1、Fire Fighting Measures of 1-PENTANETHIOL
General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Vapors can travel to a source of ignition and flash back. Will burn if involved in a fire. Flammable liquid and vapor. Containers may explode if exposed to fire.
Extinguishing Media: Use water spray to cool fire-exposed containers. Use foam, dry chemical, or carbon dioxide.
2、Handling and Storage of 1-PENTANETHIOL
Handling: Use spark-proof tools and explosion proof equipment. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. This product may be under pressure; cool before opening. Storage: Keep away from sources of ignition. Store in a cool, dry place. Keep container closed when not in use. Flammables-area. Store under nitrogen.

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