1,4-Dithiane

Modify Date: 2026-07-01 16:25:53

1,4-Dithiane Structure
1,4-Dithiane structure
Common Name 1,4-Dithiane
CAS Number 505-29-3 Molecular Weight 120.236
Density 1.1±0.1 g/cm3 Boiling Point 200.5±15.0 °C at 760 mmHg
Molecular Formula C4H8S2 Melting Point 110-112ºC
MSDS Chinese USA Flash Point 82.1±17.4 °C
Symbol GHS07
GHS07
Signal Word Warning

 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 1,4-dithiane
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.1±0.1 g/cm3
Boiling Point 200.5±15.0 °C at 760 mmHg
Melting Point 110-112ºC
Molecular Formula C4H8S2
Molecular Weight 120.236
Flash Point 82.1±17.4 °C
Exact Mass 120.006737
PSA 50.60000
LogP 1.12
Vapour Pressure 0.5±0.4 mmHg at 25°C
Index of Refraction 1.574
InChIKey LOZWAPSEEHRYPG-UHFFFAOYSA-N
SMILES C1CSCCS1
Storage condition 2-8°C
Stability Stable. Incompatible with strong oxidizing agents. Probably combustible.

 MSDS

This table provides MSDS information including hazard classification, first‑aid, fire‑fighting, spill handling, operation and storage instructions.

 Toxicological Information

This table summarizes toxicological test data, acute & chronic toxicity and ecological hazard parameters for this chemical.

CHEMICAL IDENTIFICATION

RTECS NUMBER :
JO5069000
CHEMICAL NAME :
p-Dithiane
CAS REGISTRY NUMBER :
505-29-3
LAST UPDATED :
199710
DATA ITEMS CITED :
7
MOLECULAR FORMULA :
C4-H8-S2
MOLECULAR WEIGHT :
120.24

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
2768 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - ataxia Lungs, Thorax, or Respiration - dyspnea
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
18900 mg/kg/90D-I
TOXIC EFFECTS :
Sense Organs and Special Senses (Olfaction) - effect, not otherwise specified Kidney, Ureter, Bladder - changes in bladder weight Endocrine - changes in spleen weight

MUTATION DATA

TYPE OF TEST :
Mutation in microorganisms
TEST SYSTEM :
Bacteria - Salmonella typhimurium
DOSE/DURATION :
4 umol/plate
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 321,213,1994 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4362 No. of Facilities: 7 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 28 (estimated)

 Safety Information

This table covers safety warnings, protective measures, incompatible substances and disposal guidelines for this compound.

Symbol GHS07
GHS07
Signal Word Warning
Hazard Statements H315-H319-H335
Precautionary Statements P261-P305 + P351 + P338
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes Xi
Risk Phrases R36/37/38
Safety Phrases S22-S24/25
RIDADR UN 3335
WGK Germany 2
RTECS JO5069000
HS Code 2934999090

 Synthetic Route

This table presents publicly reported synthetic routes, reaction conditions, reactants and product information of the compound.

 Customs

This table shows customs‑related data including HS‑code, tariff and regulatory conditions for import and export.

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Articles2

More Articles

This table lists relevant public references with title, journal and publication metadata for this compound.

Genotoxicity of 1,3-dithiane and 1,4-dithiane in the CHO/SCE assay and the Salmonella/microsomal test.

Mutat. Res. 321(4) , 213-8, (1994)

1,3-Dithiane and 1,4-dithiane are the sulfur-containing Maillard reaction products (MRPs) which have been found in boiled beef extracts. In this study the genotoxicity of these products was examined u...

Analysis, characterization, and purification: requirements for toxicological evaluation of 1,4-dithiane.

J. Chromatogr. A. 467(1) , 159-66, (1989)

1,4-Dithiane is an organo-sulfur chemical associated with production and storage of munitions. Toxicological evaluation of this chemical was scheduled in rats because of the paucity of such informatio...

 1,4-DithianeBioassay

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This table contains target information, in‑vitro & in‑vivo assay data for this compound.

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 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

1,4-Dithiane
Tetrahydro-1,4-dithiin,
p-Dithiane
dihydro-1,4-dithiin
EINECS 208-007-2
1,4-Dithiacyclohexane
Diethylene disulfide
1,4-dithian
MFCD00006658
1,4-Dithiin,tetrahydro
p-Dithiin,tetrahydro
p-Dithane

 1,4-Dithiane | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the melting point of 1,4-dithiane?
A: Melting point of 1,4-dithiane is 110-112ºC.
Q: What are the downstream products of 1,4-dithiane?
A: Related downstream products(CAS) of 1,4-dithiane: 19087-70-8;505-60-2;89124-42-5;33976-40-8;679-77-6.
Q: What is the molecular formula of 1,4-dithiane?
A: Molecular formula of 1,4-dithiane is C4H8S2.
Q: What is the molecular weight of 1,4-dithiane?
A: Molecular weight of 1,4-dithiane is 120.236.
Q: What is the boiling point of 1,4-dithiane?
A: Boiling point of 1,4-dithiane is 200.5±15.0 °C at 760 mmHg.
Q: What is the LogP of 1,4-dithiane?
A: LogP of 1,4-dithiane is 1.12.
Q: What is the CAS number of 1,4-dithiane?
A: CAS number of 1,4-dithiane is 505-29-3.
Q: What is the English name of 1,4-dithiane?
A: The English name of 1,4-dithiane is 1,4-dithiane.
Q: What is the polar surface area (PSA) of 1,4-dithiane?
A: Polar surface area (PSA) of 1,4-dithiane is 50.60000.
Q: What is the SMILES notation of 1,4-dithiane?
A: SMILES notation of 1,4-dithiane is C1CSCCS1.

 1,4-Dithianefactory

This table lists manufacturers and suppliers of this compound, including vendor names and product supply reference information.

Shanghai Nianxing Industrial Co., Ltd
Dayang Chem (Hangzhou) Co., Ltd.
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