2-Pentanethiol

CAS NO.：2084-19-7
Empirical Formula: C5H12S
Molecular Weight: 104.21
MDL number: MFCD00053516
EINECS: 218-224-4
SAFETY DATA SHEET (SDS)
Update Date: 2025-09-25 17:15:13

What is 2-Pentanethiol?

Chemical properties

2-Pentanethiol has an unpleasant odor and is sulfuraceous and gassy.

Occurrence

Reported found in guava and yellow passion fruit.

Definition

ChEBI: 2-Pentanethiol is an alkanethiol.

Aroma threshold values

Aroma characteristics at 0.1%: sulfurous, ripe fruity, pineapple and tropical fruitlike with a sautéed and roasted savory nuance.

Taste threshold values

Taste characteristics at 0.1 ppm: sulfurous coffee and bacon with roasted savory and tropical pulpy pineapplelike notes.

Properties of 2-Pentanethiol

Melting point:	-168.95°C
Boiling point:	101 °C(lit.)
Density	0.827 g/mL at 25 °C(lit.)
refractive index	n20/D 1.4410(lit.)
FEMA	3792 \| 2-PENTANETHIOL
Flash point:	80 °F
form	liquid
pka	10.96±0.10(Predicted)
Odor	sulfury gassy
JECFA Number	514
CAS DataBase Reference	2084-19-7(CAS DataBase Reference)
NIST Chemistry Reference	2-Pentanethiol(2084-19-7)

Safety information for 2-Pentanethiol

Signal word	Danger
Pictogram(s)	Flame Flammables GHS02 Exclamation Mark Irritant GHS07
GHS Hazard Statements	H225:Flammable liquids H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation
Precautionary Statement Codes	P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P235:Keep cool. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P242:Use only non-sparking tools. P243:Take precautionary measures against static discharge. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P271:Use only outdoors or in a well-ventilated area. P280:Wear protective gloves/protective clothing/eye protection/face protection. P304:IF INHALED: P312:Call a POISON CENTER or doctor/physician if you feel unwell. P321:Specific treatment (see … on this label). P340:Remove victim to fresh air and keep at rest in a position comfortable for breathing. P362:Take off contaminated clothing and wash before reuse. P302+P352:IF ON SKIN: wash with plenty of soap and water. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. P370+P378:In case of fire: Use … for extinction. P403:Store in a well-ventilated place. P405:Store locked up. P403+P233:Store in a well-ventilated place. Keep container tightly closed. P403+P235:Store in a well-ventilated place. Keep cool. P501:Dispose of contents/container to..…