Light Green SF

  • Acilan Light Green SFG
  • Food Green 2
  • C.I. 42095
  • Leather Green SF
  • Sumitomo Light Green SF Yellowish
  • Ammonium, ethyl(4-(p-(ethyl(m-sulfobenzyl)amino)-alpha-(p-sulfophenyl)benzylidene)- 2,5-cyclohexadien-1-ylidene)(m-sulfobenzyl)-, hydroxide, inner salt, disodium salt
Formula
C37H34N2Na2O9S3
Structure
Description
Purple solid.
Uses
Used as a dye, biological stain.

Registry Numbers and Inventories.
CAS
5141-20-8
EC (EINECS/ELINCS)
225-906-5
S 22 36/37
RTECS
BQ4900000
RTECS class
Tumorigen; Mutagen; Reproductive Effector
Merck
13,5506
Beilstein/Gmelin
5717828
Swiss Giftliste 1
G-4911
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C37H34N2Na2O9S3
Formula mass
792.86
Melting point, °C
288-289
Solubility in water
200 g/L (25 C)

Hazards and Protection.
Storage
Store in a cool, dry, well-ventilated area away from incompatible substances.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with skin and eyes. 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.
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Nitrogen oxides, carbon monoxide, oxides of sulfur, carbon dioxide.

Fire.
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Dusts at sufficient concentrations can form explosive mixtures with air. Combustion generates toxic fumes. Extinguishing media: For small fires, use water spray, dry chemical, carbon dioxide or chemical foam.

Health.
Poison_Class
1*
Exposure effects
Possible cancer hazard based on tests with laboratory animals. Prolonged or repeated exposure may cause adverse reproductive effects.
   Ingestion
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Overexposure may cause methemoglobinemia.
   Inhalation
May cause respiratory tract irritation.
   Skin
Prolonged and/or repeated contact may cause irritation and/or dermatitis.
   Eyes
Contact may cause transient eye irritation.

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
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
   Skin
Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists.
   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.
HS Code
3204 19 00