1-Naphthyl isothiocyanate

  • 1-Isothiocyanatonaphthalene
Formula
C10H7NCS
Structure
Description
Odorless white needles or powder. Tasteless.

Registry Numbers and Inventories.
CAS
551-06-4
EC (EINECS/ELINCS)
208-990-8
R 23/25 36/37/38
S 26 36/37/39 45
RTECS
NX9100000
RTECS class
Agricultural Chemical and Pesticide; Drug; Mutagen
UN (DOT)
2811
Merck
12,6498
Beilstein/Gmelin
637868
Beilstein Reference
4-12-00-03094
Swiss Giftliste 1
G-6931
Canada DSL/NDSL
NDSL
US TSCA
Listed

Properties.
Formula
C11H7NS
Formula mass
185.25
Melting point, °C
59
Boiling point, °C
100 (0.2 torr)
Density
1.81 g/cm3 (20 C)
Solubility in water
Insoluble

Hazards and Protection.
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.
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.
Small spills/leaks
Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Do not get water inside containers.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
alcohols - strong bases - amines - acids - heat - strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide, nitrogen.

Fire.
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.
Hazards
Contact with metals may evolve flammable hydrogen gas.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.

Health.
Poison_Class
3
Exposure effects
   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.

First aid
 
   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.

Transport.
UN number
2811
Response guide
Hazard class
6.1
Packing Group
I; II; III