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HomeProduct name list2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

Synonym(s):2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

  • CAS NO.:139-40-2
  • Empirical Formula: C9H16ClN5
  • Molecular Weight: 229.71
  • MDL number: MFCD00047341
  • EINECS: 205-359-9
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2023-05-15 10:43:03
2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine Structural

What is 2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine?

Chemical properties

2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine is a colorless crystalline solid or powder.

The Uses of 2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine is used to control annual grasses and broad-leaved weeds in milo and sweet sorghum.

The Uses of 2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

Herbicide.

Definition

Generic name for a preemergence herbicide containing 80% 2-chloro- 4,6-bis(isopropylamino)-s-triazine.

Agricultural Uses

Herbicide: Atrazine, simazine, and propazine and their common chlorinated degradates have a common mechanism of toxicity. They have similar applications. Propazine is used for control of broadleaf weeds and annual grasses in sweet sorghum. It is applied as a spray at the time of planting or immediately following planting, but prior to weed or sorghum emergence. It is also used as a post-emergence selective herbicide on carrots, celery and fennel. Not approved for use in EU countries. Some formulations are U.S. EPA restricted Use Pesticides (RUPs).

Trade name

GEIGY® 30,028; GESAMIL®; MAXX90®; MILOCEP®; MILOGARD®[C]; MILO-PRO®; PLANTULIN®; PRIMATOL P®; PROPAZIN®; PROPINEX®; PROZINEX®

Safety Profile

Moderately toxic by ingestion. Moderate eye irritation. Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits toxic fumes of NOx and Cl-.

Potential Exposure

A potential danger to those involved in the manufacture, formulation and application of this tri- azine pre-emergence selective herbicide used to control annual broadleaf weeds and grasses.

Carcinogenicity

Oral gavage of 46.4 mg/kg to two strains of mice from 7 through 28 days of age, followed by feeding of 102 ppm for up to 18 months, produced no increase in tumors. Subcutaneous injection of a single 1000 mg/kg dose in mice of the same two strains that were observed for 18 months produced no carcinogenic response. Rats were given 0, 3, 100, or 1000 ppm of propazine in the diet for 2 years. At 1000 ppm, there was a significant decrease in body weight in both sexes and an increase in mammary tumors in females.

Environmental Fate

Soil. Undergoes microbial degradation in soil forming hydroxypropazine (Harris, 1967). Dealkylation of both substituted amino groups is presumably followed by ring opening and decomposition (Hartley and Kidd, 1987). Under laboratory conditions, the half-lives of propazine in a Hatzenbühl soil (pH 4.8) and Neuhofen soil (pH 6.5) at 22°C were 62 and 127 days, respectively (Burkhard and Guth, 1981).
Groundwater. According to the U.S. EPA (1986) propazine has a high potential to leach to groundwater.
Photolytic. Irradiation of propazine in methanol afforded prometone (2-methoxy-4,6- bis(isopropylamino-s-triazine). Photodegradation of propazine in methanol did not occur when irradiated at wavelengths >300 nm (Pape and Zabik, 1970).
Chemical/Physical. In aqueous solutions, propazine is converted exclusively to hydroxypropazine (2-hydroxy-4,6-bisisopropylamino)-s-triazine by UV light (λ = 253.7 nm) (Pape and Zabik, 1970). In acidic aqueous soil-free systems, propazine hydrolysis is pH dependent and follows first-order kinetics. At 23.5°C, the estimated hydrolysis half-lives at pH 2.0, 3.0, 4.0 and 5.0 are 9, 36, 141 and 550 days, respectively. The rate of hydrolysis was also found to increase and decrease in the presence of organic matter and calcium salts, respectively (Nearpass, 1972).

Shipping

UN2763 Triazine pesticides, solid, toxic, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

Properties of 2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

Melting point: 212-214°C
Boiling point: 368.7°C (rough estimate)
Density  1.162
vapor pressure  0Pa at 25℃
refractive index  1.6110 (estimate)
Flash point: 11 °C
storage temp.  APPROX 4°C
solubility  Chloroform (Heated), DMSO (Slightly), Methanol (Slightly)
pka 2.28±0.10(Predicted)
form  neat
Water Solubility  8.6mg/L(22 ºC)
Merck  13,7904
BRN  747081
CAS DataBase Reference 139-40-2(CAS DataBase Reference)
NIST Chemistry Reference 1,3,5-Triazine-2,4-diamine, 6-chloro-N,N'-bis(1-methylethyl)-(139-40-2)
EPA Substance Registry System Propazine (139-40-2)

Safety information for 2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

Signal word Warning
Pictogram(s)
ghs
Health Hazard
GHS08
ghs
Environment
GHS09
GHS Hazard Statements H351:Carcinogenicity
H410:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P201:Obtain special instructions before use.
P273:Avoid release to the environment.
P308+P313:IF exposed or concerned: Get medical advice/attention.

Computed Descriptors for 2,4-Bis(isopropylamino)-6-chloro-1,3,5-triazine

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