Product Identification

Product Name

Methyl 3-chloro-5-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-1-methylpyrazole-4-carboxylate

Synonyms

1H-Pyrazole-4-carboxylic acid, 3-chloro-5-(((((4,6-dimethoxy-2-pyrimidinyl)amino)carbonyl) amino)sulfonyl)-1-methyl-, methyl ester
Inpool
MON 12000
NC-319
Permit
Sempra

CAS

100784-20-1

Formula

C13H15ClN6O7S

Molecular Weight

434.82

RTECS

UQ6392606

Merck

12,10397

Physical and Chemical Properties

Appearance

Beige granules with the odor of scorched vanilla.

Solubility in water

Insoluble

Melting Point

172 - 173

Density

1.67 g/cm3

pKa/pKb

3.46 (pKa)

Partition Coefficient

1.69

Usage

Substance is used as a herbicide.

First Aid Measures

Ingestion

Call poison control center or physician immediately for treatment advice. Remove visible particles from mouth. Have person rinse mouth thoroughly with warm water, spit out rinse water. Have person sip a glass of water if able to swallow. Do not induce vomiting unless told to do so by the poison control center or doctor. Do not give anything by mouth to an unconscious person.

Eyes

Hold eye open and rinse slowly and gently with water for 15-20 minutes. Remove contact lenses, if present, after 5 minutes, then continue rinsing eye. Call poison control center or physician for treatment advice.

Handling and Storage

Storage

Store under cool, dry conditions (below 120 F). Do not store under moist conditions.

Fire Fighting Measures

Fire Fighting

Use water (flood with water), dry chemical, CO2, or alcohol foam. Wear full protective clothing and self-contained breathing apparatus. Equipment should be thoroughly cleaned after use.

Fire Potential

Not flammable.

Accidental Release Measures

Small spills/leaks

Sweep up spill, scoop or vacuum and remove. Flush residual spill area with water. Contain large spills with dikes and transfer the material to appropriate containers for reclamation or disposal. Absorb remaining material or small spills with an inert material and then place in a chemical waste container. Flush residual spill area with water.

Stability and Reactivity

Incompatibilities

Reducing agents and acids.

Stability

Stable at normal temperatures and pressures.

Exposure Controls/Personal Protection

Exposure Effects

Halosulfuron-methyl, the active herbicidal ingredient in Sandea herbicide, is considered to be practically nontoxic orally or by inhalation and no more than slightly toxic dermally. It is slightly irritating to eyes and essentially nonirritating to the skin.