Product Identification

Product Name

Metamitron

Synonyms

4-Amino-3-methyl-6-phenyl-1,2,4-triazin-5-one
3-Methyl-4-amino-6-phenyl-1,2,4-triazin-5-one
4-Amino-3-methyl-6-phenyl-1,2,4-triazin-5-one
BAY 6676
Goltix
Metron Stefes

CAS

41394-05-2

Formula

C10H10N4O

Molecular Weight

202.22

EINECS

255-349-3

RTECS

XZ3015000

RTECS Class

Agricultural Chemical and Pesticide; Mutagen

Merck

12,5985

Beilstein/Gmelin

613129

Beilstein Reference

5-26-04-00395

EC Index Number

613-129-00-8

EC Class

Harmful; Dangerous for the Environment

Physical and Chemical Properties

Appearance

Solid

Solubility in water

Soluble

Melting Point

169

Boiling Point

336

Vapor Pressure

0.00012 (25 C)

Density

1.35 g/cm3

pKa/pKb

11.10 (pKb)

Partition Coefficient

-.92

Heat Of Vaporization

57.9 kJ/mol

Usage

Substance is used as a herbicide.

First Aid Measures

Ingestion

Get medical aid. Wash mouth out with water.

Inhalation

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.

Skin

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.

Eyes

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.

Handling and Storage

Storage

Store in a cool, dry place. Store in a tightly closed container.

Handling

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification

Ingestion

Harmful if swallowed.

Inhalation

May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.

Skin

May cause skin irritation.

Eyes

May cause eye irritation.

Exposure Controls/Personal Protection

Personal Protection

Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.

Respirators

Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.

Poison Class

4

Fire Fighting Measures

Flash Point

157

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Accidental Release Measures

Small spills/leaks

Vacuum or sweep up material and place into a suitable disposal container.

Stability and Reactivity

Stability

No data.

Incompatibilities

Strong oxidizing agents, acids, acid chlorides.

Decomposition

Carbon monoxide, oxides of nitrogen, carbon dioxide.