Product Identification

Product Name

Hexazinone

Synonyms

3-Cyclohexyl-6-(dimethylamino)-1-methyl-1,3,5-triazine-2,4(1H,3H)-dione
3-Cyclohexyl-6-(dimethylamino)-1-methyl-S-triazine-2,4(iH,3H)-dione
DPX 3674
SHA 107201
Velpar

CAS

51235-04-2

Formula

C12H20N4O2

Molecular Weight

252.32

EINECS

257-074-4

RTECS

XY7850000

RTECS Class

Agricultural Chemical and Pesticide; Reproductive Effector; Primary Irritant

Merck

12,4734

Beilstein/Gmelin

618801

Beilstein Reference

5-26-10-00171

EC Index Number

613-132-00-4

EC Class

Harmful; Irritant; Dangerous for the Environment

Physical and Chemical Properties

Appearance

Tan, free flowing granules with a slight acrid odor.

Solubility in water

33 g/kg @ 25 C

Melting Point

97-100.5

Density

0.58 g/cm3 (20 C)

Partition Coefficient

-4.4

Usage

Control of many annual, biennial and perennial weeds and woody plants on noncropland areas. Selective weed control in conifers, sugarcane, pineapple, rubber trees and alfalfa.

Refractive Index

1.513 (25 C)

First Aid Measures

Ingestion

Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.

Inhalation

If symptoms develop, move individual away from exposure and into fresh air. If symptoms persist, seek medical attention. If breathing is difficult, administer oxygen. Keep person warm and quiet; seek immediate medical attention.

Skin

Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.

Eyes

Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Handling and Storage

Storage

Store product in original container only. Do not contaminate water, other pesticides, fertilizer, food or feed in storage.

Handling

Do not get in eyes. Avoid breathing dust. Avoid contact with skin. Avoid contact with clothing. USERS SHOULD: Wash hands before eating, drinking, chewing gum, using tobacco or using the toilet.

Hazards Identification

Inhalation

Irritation.

Skin

Irritation.

Eyes

Causes irreversible eye damage. Corrosive.

Ingestion

Abnormal liver function.

Exposure Controls/Personal Protection

Personal Protection

Wear goggles or face shield and rubber gloves when handling this material.

Respirators

Use NIOSH/MSHA approved respirator appropriate for exposure of concern.

Exposure Effects

Coma was reported following ingestion of an herbicide containing atrazine, aminotriazole, ethylene glycol, and formaldehyde. Muscle tremors, tetany, and ataxia have been reported in animals following ingestions of triazine herbicides.

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Fire Potential

Flammable velpar l

Accidental Release Measures

Small spills/leaks

While wearing protective equipment, shovel or sweep up.

Stability and Reactivity

Stability

Stable at normal temperatures and storage conditions.

Incompatibilities

Strong oxidizing agents.

Decomposition

No data.