Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity
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1H-Benzimidazole-2-carbamic acid methyl ester(10605-21-7)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity

Product Identification

Product Name
1H-Benzimidazole-2-carbamic acid methyl ester
Synonyms
1H-Benzimidazol-2-ylcarbamic acid methyl ester
Carbendazol
Methyl (1H-Benzimidazol-2-yl)carbamate
Methyl benzimidazole-2-ylcarbamate
CAS
10605-21-7
Formula
C9H9N3O2
Molecular Weight
191.19
EINECS
234-232-0
RTECS
DD6500000
RTECS Class
Agricultural Chemical and Pesticide; Mutagen; Reproductive Effector
Merck
12,1836
Beilstein/Gmelin
649044
Beilstein Reference
5-25-10-00376
EC Index Number
613-048-00-8
EC Class
Mutagenic Category 3

Physical and Chemical Properties

Appearance
Light gray or beige powder.
Solubility in water
8 mg/L
Melting Point
302
Boiling Point
409
Density
1.45 g/cm3 (20 C)
pKa/pKb
4.48(at 25℃) (pKa)
Partition Coefficient
1.37
Usage
Fungicide.

First Aid Measures

Ingestion
DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician.
Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
Eyes
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. If symptoms (such as redness or irritation) develop, immediately transport the victim to a hospital.

Handling and Storage

Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.

Hazards Identification

Eyes
Redness
Hazards
this chemical is probably nonflammable.

Exposure Controls/Personal Protection

Personal Protection
Protective gloves. Safety goggles.
Respirators
Wear a NIOSH-approved half face respirator equipped with an organic vapor/acid gas cartridge (specific for organic vapors, HCl, acid gas and SO2) with a dust/mist filter.
Exposure Effects
Animal tests show that this substance possibly causes toxic effects on human reproduction.
Poison Class
3

Fire Fighting Measures

Fire Fighting
Fires involving this material can be controlled with a dry chemical, carbon dioxide or Halon extinguisher.

Accidental Release Measures

Small spills/leaks
If you spill this chemical, you should dampen the solid spill material with water, then transfer the dampened material to a suitable container. Use absorbent paper dampened with water to pick up any remaining material. Seal your contaminated clothing and the absorbent paper in a vapor-tight plastic bag for eventual disposal. Wash all contaminated surfaces with a soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.

Stability and Reactivity

Incompatibilities
Incompatible with strong acids and bases, and especially
Stability
No data.
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