Product Identification

Product Name

1-Naphthyl isothiocyanate

Synonyms

1-Isothiocyanatonaphthalene
ANIT
Kesscocide

CAS

551-06-4

Formula

C11H7NS

Molecular Weight

185.25

EINECS

208-990-8

RTECS

NX9100000

RTECS Class

Agricultural Chemical and Pesticide; Drug; Mutagen

Merck

12,6498

Beilstein/Gmelin

637868

Beilstein Reference

4-12-00-03094

Physical and Chemical Properties

Appearance

Odorless white needles or powder. Tasteless.

Solubility in water

Insoluble

Melting Point

59

Boiling Point

100 (0.2 torr)

Density

1.81 g/cm3 (20 C)

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

Immediately 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 tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Handling

Wash thoroughly after handling. Use only in a well ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation.

Hazards Identification

Ingestion

Harmful if swallowed. May cause irritation of the digestive tract. May cause acute hepatitis. Substance is a hepatotoxin and is capable of producing a toxic effect on the liver.

Inhalation

Inhalation of dust may cause respiratory tract irritation.

Skin

May cause skin irritation. May cause dermatitis.

Eyes

No information regarding eye irritation and other potential effects was found.

Hazards

Contact with metals may evolve flammable hydrogen gas.

EC Risk Phrase

R 23/25 36/37/38

EC Safety Phrase

S 26 36/37/39 45

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.

Poison Class

3

Fire Fighting Measures

Fire Fighting

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Do NOT get water inside containers. For small fires, use dry chemical, carbon dioxide, or water spray. For large fires, use dry chemical, carbon dioxide, alcohol-resistant foam, or water spray. Cool containers with flooding quantities of water until well after fire is out.

Fire Potential

Non-combustible, substance itself does not burn but may decompose upon heating to produce corrosive and/or toxic fumes.

Accidental Release Measures

Small spills/leaks

Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Do not get water inside containers.

Stability and Reactivity

Incompatibilities

alcohols - strong bases - amines - acids - heat - strong oxidizing agents.

Stability

Stable under normal temperatures and pressures.

Decomposition

Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, nitrogen.

Combustion Products

Fire may produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number

2811

Hazard Class

6.1

Packing Group

I; II; III