dazomet

Description

dazomet · CAS 533-74-4 · C5H10N2S2. UNII S7419CG4W5. Melting Point: 106 °C; Flash Point: 93 °C; Density: 1.30 at 20 °C.

Identification

CAS Registry Number	533-74-4
PubChem CID	10788
Molecular formula	C5H10N2S2
IUPAC name	3,5-dimethyl-1,3,5-thiadiazinane-2-thione
UNII (FDA)	S7419CG4W5

Computed Descriptors

Molecular Weight	162.3
XLogP3	1.3
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	162.02854067
Monoisotopic Mass	162.02854067
Topological Polar Surface Area	63.9
Heavy Atom Count	9
Formal Charge	0

Physical & Chemical Properties

Melting Point	106 °C
Flash Point	93 °C
Density	1.30 at 20 °C
Vapor Pressure	2.77 mmHg at 68 °F (NTP, 1992)
Vapor Pressure	0.0000028 [mmHg]
Vapor Pressure	2.8X10-6 mm Hg at 20 °C
LogP	1.4
Decomposition	104-105 °C
Ionization Efficiency	2.22
Ionization Efficiency	2.7

Physical description & handling notes

• Dazomet appears as white crystals or off-white powder. Pungent, acrid odor. (NTP, 1992)
• White crystals with a mildly pungent odor; [HSDB]
• WHITE OR COLOURLESS CRYSTALS.
• Colorless crystals
• Needles from benzene
• Weakly pungent

Regulatory Status

Regulatory & Food Contact	FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS 3,5-DIMETHYL-1,3,5,2H-TETRAHYDROTHIADIAZINE-2-THIONE

GHS Hazard Classification

Reported hazard statements	H302, H319, H400, H410, H315 (20.4%), H360, H371, H372

Documented Uses

• Used as a biocide in pulp and paper mills; also used as a soil disinfectant in farming; [Kanerva, 1776] Used as a biocide in paints; [Adams, p. 475]
• Pulp and Paper Processing [Category: Industry]
• Painting (Pigments, Binders, and Biocides) [Category: Paint]
• Using Disinfectants or Biocides [Category: Clean]
• Soil sterilant, applied prior to planting out crops. Controls soil fungi..., nematodes, germinating weed seeds, bacteria, and soil insects. Also used as a slimicide in pulp and paper manufacture, and as a preservative in adhesives and glues.
• Preservative for proteinaceous additives

Synonyms

DAZOMET; 533-74-4; Basamid; 3,5-Dimethyl-1,3,5-thiadiazinane-2-thione; Mylone; Tiazon; DMTT; Thiazone; Nefusan; Thiazon; Basamid-Puder; Basamid G; Basamid P; Carbothialdin; Dimethylformocarbothialdine; Prezervit

Frequently Asked Questions

What are the CAS number and molecular formula of dazomet?

CAS 533-74-4; molecular formula C5H10N2S2; molecular weight — g/mol.

What other names is dazomet known by?

DAZOMET, 533-74-4, Basamid, 3,5-Dimethyl-1,3,5-thiadiazinane-2-thione, Mylone, Tiazon.

What is the regulatory status of dazomet?

Documented regulatory listings: FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS; 3,5-DIMETHYL-1,3,5,2H-TETRAHYDROTHIADIAZINE-2-THIONE.

Is dazomet classified as hazardous?

Hazard statements reported: H302, H319, H400, H410, H315.

What are the key physical properties of dazomet?

Melting Point: 106 °C; Flash Point: 93 °C; Density: 1.30 at 20 °C; Vapor Pressure: 2.77 mmHg at 68 °F (NTP, 1992).

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.