Product Identification

Product Name

Pyridazinone

Synonyms

2-tert-Butyl-5-(4-tert-butyl-benzylthio)-4-chloropyridazin-3(2H)-one
2-tert-Butyl-5-[(4-tert-butylphenyl)methylsulfanyl]-4-chloropyridazin-3-one
3(2H)-Pyridazinone, 4-chloro-2-(1,1-dimethylethyl)-5-(((4-(1,1-dimethylethyl)phenyl)methyl) thio)-
NCI-129
Sanmite

CAS

96489-71-3

Formula

C19H25ClN2OS

Molecular Weight

364.94

EINECS

405-700-2

RTECS

UR6149000

RTECS Class

Agricultural Chemical and Pesticide; Reproductive Effector

Merck

12,10353

Beilstein/Gmelin

7933972

Beilstein Reference

6-25

EC Index Number

613-149-00-7

Physical and Chemical Properties

Appearance

Tan powder with a faint vanilla odor.

Solubility in water

Insoluble

Melting Point

112

Boiling Point

430

Vapor Pressure

1.4E-7 (25 C)

Heat Of Vaporization

68.5 kJ/mol

Usage

Miticide, insecticide.

First Aid Measures

Ingestion

Seek medical assistance immediately. Have person sip a glace of water if able to swallow. Do not induce vomiting unless directed to do so by a physician.

Inhalation

Move to fresh air. If not breathing, give artificial respiration. Seek immediate medical assistance.

Skin

Remove contaminated clothing. Rinse skin immediately with water for 15 - 20 minutes. Seek medical assistance.

Eyes

Hold eye open and rinse slowly and gently with water for 15-20 minutes.

Handling and Storage

Storage

Store in a cool, dry location away from heat or open flame.

Hazards Identification

Ingestion

Harmful if swallowed.

Inhalation

May be fatal if inhaled.

Skin

Harmful if absorbed through the skin.

Eyes

Causes irritation.

EC Risk Phrase

23/25 50/53

EC Safety Phrase

36/37 45 60 61

UN (DOT)

2588

Exposure Controls/Personal Protection

Personal Protection

Wear protective clothing to prevent skin contact, waterproof gloves and safety goggles.

Respirators

Use a dust/mist filtering respirator (MSHA/NIOSH approved numbers prefix TC-21-C) or NIOSH approved respirator with a N, P, R or HE prefilter.

Fire Fighting Measures

Flash Point

214

Autoignition

394

Fire Fighting

Extinguish using dry chemical, water fog, foam or carbon dioxide. Wear a self-contained air supply. Contain run-off.

Fire Potential

Explosive dust/air mixtures can form.

Accidental Release Measures

Small spills/leaks

Do not touch damaged containers or spilled material unless wearing appropriate protective clothing. Stop leak if you can do it without risk. Cover with plastic sheet to prevent spreading. Absorb or cover with dry earth, sand or other non-combustible material and transfer to containers. DO NOT GET WATER INSIDE CONTAINERS.

Stability and Reactivity

Incompatibilities

Avoid contact with strong oxidizing agents.

Stability

Stable under normal conditions. Relatively unstable to light.

Combustion Products

Hydrochloric acid, oxides of nitrogen, oxides of sulfur and carbon monoxide

Transport Information

UN Number

2588

Hazard Class

6.1

Packing Group

I