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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 87134Generated: October 25, 2026

3-Chloropropanethiol

3-CHLOROPROPANETHIOL · 3-Chloropropane-1-thiol · Einecs 241-496-0 · 3-Chloropropan-1-thiol · 3-CHLORO-1-PROPANETHIOL · 1-Propanethiol, 3-chloro- · 3-Chloro-1-propanethiol 98% · 1-Propanethiol, 3-chloro- (8CI,9CI)

https://huagongshe.com/en/chemical/87134

3-Chloropropanethiol molecular structure

Identifiers & Physical Properties

CAS No.17481-19-5
Molecular formulaC3H7ClS
Average molar mass110.61 g/mol
Monoisotopic mass109.9956989 g/mol
SMILESSCCCCl
InChIKeyTZCFWOHAWRIQGF-UHFFFAOYSA-N
PubChem CID87134
EC No.241-496-0
DTXSIDDTXSID20169901

Chemical & Physical Properties

XLogP1.5
Topological polar surface area1
Hydrogen bond donors1
Hydrogen bond acceptors1
Rotatable bonds2
Heavy atoms5
Formal charge0
Complexity16.4
Chemical classesOther Classes -> Thiols
Physical DescriptionColorless liquid[Sigma-Aldrich MSDS]
Boiling point145.5 °C (lit.)
Density1.136 g/mL at 25 °C (lit.)
Refractive indexn20/D 1.4921(lit.)
Flash point110 °F
pKa (acidity coefficient)10.04±0.10(Predicted)
Physical stateliquid
InChI1S/C3H7ClS/c4-2-1-3-5/h5H,1-3H2
InChIKeyTZCFWOHAWRIQGF-UHFFFAOYSA-N
SMILESSCCCCl
FDA UNIIN6Q6DV6SQL
UNSPSC Code12352100
NACRESNA.22
GHS pictogramGHS02,GHS07
Signal wordWarning
GHS hazard statementsH226-H315-H319-H335
GHS precautionary statementsP210-P302+P352-P305+P351+P338
Target organsRespiratory system
Personal protective equipment (PPE)Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard symbolsXi
Risk statements (R)10-36/37/38
Safety statements (S)16-26-36/37/39
UN transport numberUN 3336 3/PG 2
Water hazard class (WGK)3
Hazard class3.2Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3
Packing groupIII
Storage class3 - Flammable liquids
Limited quantities5.0 L (1.3 gallons) (liquid)
Excepted quantitiesMax Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)

Safety & Regulations

GHS classificationWarningH226 (100%): Flammable liquid and vapor [Warning Flammable liquids]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 39 reports by companies from 2 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Regulatory information1-Propanethiol, 3-chloro-: Does not have an individual approval but may be used under an appropriate group standard
Hazards summaryMay cause irritation[Sigma-Aldrich MSDS] See 1-Propanethiol.
Hazard Classes and CategoriesFlam. Liq. 3 (100%)
Adverse effectsOther Poison - Chemical Asphyxiant
Personal protective equipment (PPE)Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Water hazard class (WGK)3
UN transport numberUN 3336 3/PG 2
Risk statements (R)10-36/37/38
Signal wordWarning
GHS pictogramGHS02,GHS07
Hazard symbolsXi
Safety statements (S)16-26-36/37/39
Hazard class3.2Eye Irrit. 2Flam. Liq. 3Skin Irrit. 2STOT SE 3
Storage class3 - Flammable liquids
Packing groupIII
Target organsRespiratory system
GHS hazard statementsH226-H315-H319-H335
Limited quantities5.0 L (1.3 gallons) (liquid)
Excepted quantitiesMax Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
GHS precautionary statementsP210-P302+P352-P305+P351+P338

Applications & Uses

Uses

Solution-Phase Hybrid Passivation: 3-Chloro-1-propanethiolis used in the passivation of quantum dots to enhance the performance of infrared-band gap quantum dot solar cells, suggesting significant improvements in efficiency and stability (Mahajan et al., 2020).