Grundinformationen
- CAS
1072-71-5- Standard-SMILES
S=c1[nH][nH]c(=S)s1- InChIKey
BIGYLAKFCGVRAN-UHFFFAOYSA-N- Summenformel
- C2H2N2S3
- Durchschnittliche Molmasse
- 150,3 g/mol
- Monoisotopische Masse
- 149,93801159
Überblick
reagent for colorimetric anal of lead; RN given refers to parent cpd
Namen und Bezeichner
- Bevorzugter Name
- 2,5-Dimercapto-1,3,4-thiadiazole
- IUPAC
- 1,3,4-thiadiazolidine-2,5-dithione
- Lokaler Name
- 1,3,4-Thiadiazol-2,5-dithiol
- Englischer Name
- Bismuththiol
- Summenformel
- C2H2N2S3
- Molmasse
- 150.25
Namen und Synonyme
2,5-Dimercapto-1,3,4-thiadiazole1072-71-5Bismuthiol I1,3,4-Thiadiazolidine-2,5-dithioneBismuthiol2,5-DimercaptothiadiazoleVanchem DMTDPY 61HDTXSID60401152S78T9T08CNSC-4645DTXCID4020115
Weitere Namen anzeigen
DMTDDMTZpy61hNSC4645USAF A-
bismuthol IRefChem:828812,5-dimercapto-1-thia-3,4-diazole5-mercapto-1,3,4-thiadiazolidine-2-thione214-014-11,3,4-THIADIAZOLE-2,5-DITHIOLDimercaptothiadiazoleUSAF A-8354
Datenbank-Bezeichner
- CAS
1072-71-5- PubChem CID
- 2723630
- DTXSID
DTXSID6040115- ChEMBL
CHEMBL3185279- UNII
- 2S78T9T08C
- EC Number
- 214-014-1
- Nikkaji
- J9.482J
Eigenschaften
Berechnete Struktureigenschaften
- XLogP
- 1,3
- Polarare Oberfläche (TPSA)
- 114 Ų
- H-Brücken-Donoren
- 2
- H-Brücken-Akzeptoren
- 3
- Frei drehbare Bindungen
- 0
- Schwere Atome
- 7
- Formalladung
- 0
- Komplexität
- 106
Experimentelle und physikochemische Eigenschaften
Chemical ClassesOther Classes -> Sulfur Compounds
Endocrine DisruptorsPotential endocrine disrupting compound
Physical Description
Liquid; Dry Powder
Slightly yellow solid with an irritating odor; [NTP] Yellow powder with a stench; [Alfa Aesar MSDS]
Physikochemische Eigenschaften
- Schmelzpunkt
- 162 °C · 162 °C (dec.)(lit.)
- Siedepunkt
- 211.3 · 211.3±23.0 °C(Predicted)
- Dichte
- 1.575 · 1.575 (estimate)
- Dampfdruck
- 0.013 Pa · 0.013Pa at 20℃
- Brechungsindex
- 1.53 · 1.5300 (estimate)
- storage temp.
- 30 °C · Store below +30°C.
- Aggregatzustand
- Powder
- pka
- 5.66 · 5.66±0.20(Predicted)
Sicherheit und Regulatorisches
Sicherheitsangaben dienen nur zur Orientierung und ersetzen weder das Sicherheitsdatenblatt (SDB) des Lieferanten noch geltende Vorschriften oder eine fachliche Bewertung.
GHS-Klassifizierung
GHS Classification
Danger
H302 (92.1%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P264+P265, P270, P273, P280, P301+P317, P305+P351+P338, P305+P354+P338, P317, P330, P337+P317, and P501 (click each P-code to see the statement)
Aggregated GHS information provided per 572 reports by companies from 12 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
Gefahrenhinweise
Regulatory Information
Chemical: 1,3,4-Thiadiazolidine-2,5-dithione
1,3,4-Thiadiazolidine-2,5-dithione is listed on the EPA's Chemical Data Reporting (CDR) system. Manufacturers and importers of 1,3,4-Thiadiazolidine-2,5-dithione are required to report information about their production and use of this chemical to the EPA under the Toxic Substances Control Act (TSCA). (40 eCFR Part 711)
REACH registered substance: 1,3,4-thiadiazole-2,5-dithiol (EC: 214-014-1)
1,3,4-Thiadiazolidine-2,5-dithione: Does not have an individual approval but may be used under an appropriate group standard
Hazards Summary
A severe eye irritant; [RTECS] An irritant that can cause chemical conjunctivitis; Report of 7 cases of allergic sensitization from a manufacturing plant; A derivative (CUVAN 826) is a contact sensitizer in guinea pigs; [NTP] An irritant that may cause serious eye injury; Harmful by ingestion; Oral LD50 (rat) = 1,616 mg/kg; [Alfa Aesar MSDS]
Hazard Classes and CategoriesAcute Tox. 4 (92.1%)
Toxikologische Informationen
Adverse Effects
Chemie und Industrie
Verwendung und Herstellung
Uses
Used in flame and scorch retardant products, to make polymers, heavy metal salts, basic salts, pharmaceuticals, and dyes, in cross linking halogenated polymers, electrode compositions, photography, as an additive in lubricating oils and greases, corrosion inhibitor (for metals, metal coatings, and paints), chelating agent in metal analysis, adhesion improver, biocide, and for purifying and treating wastewater; [NTP]
Painting (Pigments, Binders, and Biocides) [Category: Paint]
U.S. Production2023: 550,000 - <700,000 lb
Consumer UsesLubricating agent
Industry UsesOther
General Manufacturing Information
Petroleum Lubricating Oil and Grease Manufacturing
1,3,4-Thiadiazolidine-2,5-dithione: ACTIVE
Anwendungen
BeschreibungDimercapto-1,3,4-thiadiazole (DMTD) is a low-molecular- weight aromatic compound used in the production of cop per corrosion inhibitors for engine oils, flame retardants and photographic development chemicals. Seven cases of industrial allergic sensitization were reported in a manufacturing plant.
VerwendenPharmaceutical intermediates; metallic passivator;antioxidant
Vor- und nachgelagerte Produkte
Vorgelagerte Rohstoffe
Nachgelagerte Produkte
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