Product Identification

Product Name

2,3-Dichloro-1,4-naphthoquinone

Synonyms

2,3-Dichloronaphthalene-1,4-dione
Diclone
Sanquinon

CAS

117-80-6

Formula

C10H4Cl2O2

Molecular Weight

227.05

EINECS

204-210-5

RTECS

QL7525000

RTECS Class

Agricultural Chemical and Pesticide; Tumorigen; Drug

Merck

13,3071

Beilstein/Gmelin

1073511

Beilstein Reference

4-07-00-02426

EC Index Number

606-018-00-0

EC Class

Harmful; Irritant; Dangerous for the Environment

Physical and Chemical Properties

Appearance

A yellow crystalline solid. It is a wettable powder.

Solubility in water

Insoluble

Boiling Point

304

Vapor Pressure

0.0009 (25 C)

Density

1.44 g/cm3 (16 C)

Partition Coefficient

2.35

Heat Of Vaporization

54.4 kJ/mol

Usage

Seed disinfectant, fungicide for foliage and textiles, insecticide, organic catalyst.

Vapor Density

7.8

First Aid Measures

Ingestion

If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.

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 immediately.

Handling and Storage

Storage

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

Handling

Wash thoroughly after handling. Use only in a well ventilated area. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation

Inhalation of high concentrations may cause central nervous system effects characterized by headache, dizziness, unconsciousness and coma. May cause respiratory tract irritation.

Skin

Causes skin irritation.

Eyes

Causes eye irritation.

Ingestion

Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Ingestion of large amounts may cause CNS depression.

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 22 36/38 50/53

EC Safety Phrase

S 26 60 61

UN (DOT)

2811

Exposure Controls/Personal Protection

Personal Protection

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. 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.

Exposure Effects

CNS depression and coma may develop following large doses.

Poison Class

4

Fire Fighting Measures

Flash Point

127

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 fog, dry chemical, carbon dioxide, or regular foam.

Fire Potential

Material itself does not burn or burns with difficulty.

Accidental Release Measures

Small spills/leaks

Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal.

Stability and Reactivity

Stability

Stable under normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents, calcium arsenate, sprays containing lime, calcium arsenate, and mercury.

Decomposition

Hydrogen chloride, carbon monoxide, carbon dioxide.

Combustion Products

Highly toxic fumes are imminent.

Transport Information

UN Number

2811

Hazard Class

6.1

Packing Group

I; II; III

HS Code

2914 70 90