Product Identification

Product Name

2-[[[[[(4,6-dimethoxy-2-pyrimidinyl)amino]carbonyl]amino]sulfonyl]methyl]benzoic acid methyl ester

Synonyms

Benzoic acid, 2-((((((4,6-dimethoxy-2-pyrimidinyl)amino)carbonyl)amino)sulfonyl)methyl)-, methyl ester
DPX-F-5384
F-5384
Londax
Methyl 2-[(4,6-dimethoxypyrimidin-2-yl)ureidosulfonylmethyl]benzoate
Methyl alpha-(4,6-dimethoxypyrimidin-2-ylcarbamoylsulfamoyl)-o-toluate

CAS

83055-99-6

Formula

C16H18N4O7S

Molecular Weight

410.41

EINECS

401-340-6

RTECS

DG8733000

Merck

12,10458

Beilstein/Gmelin

7447488

Beilstein Reference

6-25

EC Index Number

607-178-00-4

Physical and Chemical Properties

Appearance

Light tan solid with a sweet, woody odor.

Solubility in water

Insoluble

Melting Point

187

Density

1.44 g/cm3

pKa/pKb

9.83 (pKb)

Partition Coefficient

2.6

Usage

Substance is used as a herbicide.

First Aid Measures

Ingestion

Call poison control center or doctor immediately for treatment advice. Have a 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.

Inhalation

No specific intervention is indicated, as the compound is not likely to be hazardous by inhalation. Consult a physician if necessary.

Skin

Take off contaminated clothing. Rinse skin immediately with plenty of water for 15-20 minutes.Call a poison control center or doctor for treatment advice.

Eyes

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

Handling and Storage

Storage

Store product in original container only. Store in a cool, dry place.

Hazards Identification

Ingestion

Repeated and long term ingestion exposures with Bensulfuron Methyl caused decreased body weight, increased liver weight, pathological changes of the liver and kidneys, anemia, and altered hematology and clinical chemistry.

Inhalation

Single inhalation exposure caused decreased body weight with nasal and ocular discharge.

Eyes

Causes substantial but temporary eye injury.

Hazards

Like most organic powders or crystals, under severe dusting conditions, this material may form explosive mixtures in air.

EC Risk Phrase

R: 43 51/53

EC Safety Phrase

S: 24 37 61

Exposure Controls/Personal Protection

Personal Protection

Long-sleeved shirt and long pants. Chemical resistant gloves made of any waterproof material such as polyethylene or polyvinylchloride. Shoes plus socks. Protective eye wear.

Fire Fighting Measures

Autoignition

400

Fire Fighting

If area is heavily exposed to fire and if conditions permit, let fire burn itself out since water may increase the contamination area. Extinguish with water Fog, Foam, Dry Chemical, CO2. Wear self-contained breathing apparatus. Use water spray. Runoff from fire control may be a pollution hazard.

Fire Potential

Not a fire or explosion hazard.

Accidental Release Measures

Small spills/leaks

Dike spill. Prevent material from entering sewers, waterways, or low areas. Shovel or sweep up.

Stability and Reactivity

Stability

Stable at normal temperatures and storage conditions.