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Asulam

Asulam
Asulam structure
CAS No.
3337-71-1
Chemical Name:
Asulam
Synonyms
asulox;ASULAM;ASILAN;Jonnix;plakin;Asulon;ASULUM;Arulam;Asilam;asulan
CBNumber:
CB3244887
Molecular Formula:
C8H10N2O4S
Formula Weight:
230.24
MOL File:
3337-71-1.mol

Asulam Properties

Melting point:
142-144°C (dec.)
Density 
1.4655 (rough estimate)
refractive index 
1.5690 (estimate)
storage temp. 
0-6°C
pka
4.82(at 25℃)
form 
neat
Merck 
13,862
BRN 
2697523
NIST Chemistry Reference
Asulam(3337-71-1)
EPA Substance Registry System
Carbamic acid, [(4-aminophenyl)sulfonyl]-, methyl ester(3337-71-1)
SAFETY
  • Risk and Safety Statements
  • Hazard and Precautionary Statements (GHS)
Hazard Codes  Xn
Risk Statements  22
WGK Germany  3
RTECS  FD1190000
HS Code  29350090
Toxicity LD50 in rats, mice, dogs, rabbits (mg/kg): >5000, >5000, >5000, >2000 orally; in rats (mg/kg): >1200 dermally (Brockelsby)
Symbol(GHS):
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501
Precautionary statements:

Asulam price More Price(1)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 45329 Asulam PESTANAL 3337-71-1 250mg $22.2 2018-11-20 Buy

Asulam Chemical Properties,Uses,Production

Chemical Properties

Light Brown Solid

Uses

Carbamate herbicide; folic acid biosynthesis inhibitor.

Uses

Herbicide.

Uses

Systemic, pre- and postemergence herbicide used to control several perennial grasses and certain broad-leaved weeds such as brackenfern, crabgrass, itchgrass, paragrass, tansy ragwort, and wild mustard, in alfalfa, uncropped land, certain ornamentals and turf.

Definition

ChEBI: A carbamate ester that is methyl carbamate substituted by a (4-aminophenyl)sulfonyl group at the nitrogen atom.

Health Hazard

Low order of toxicity; no adverse effect onskin reported; ingestion of large dose couldproduce cholinergic effects.
LD50 oral (rat): 2000 mg/kg.

Environmental Fate

Soil. It is not persistent in soils since its half-life is approximately 6–14 days (Hartley and Kidd, 1987). The short persistence time is affected by soil temperature and moisture content. The half-life of asulam in a heavy clay soil having a moisture content of 34% and maintained at 20°C was 7 days (Smith and Walker, 1977). In soil, sulfanilamide was reported as a product of hydrolysis. In non-sterile soils, this compound further degraded to unidentifiable products (Smith, 1988) which may include substituted anilines (Bartha, 1971).
Photolytic. The reported photolytic half-lives for asulam in water at pH 3 and 9 were 2.5 and 9 days, respectively (Humburg et al., 1989)
Chemical/Physical. Forms water-soluble salts (Hartley and Kidd, 1987). When heated to 75°C, asulam decomposed to sulfanilic acid, carbamic acid and sulfanilamide. At 90°C, 4-nitro- and 4-nitrosobenzene sulfonic acids were released (Rajagopal et a

Asulam Preparation Products And Raw materials

Raw materials

Preparation Products


Asulam Suppliers

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Asulam Spectrum


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