NILE
CHEMICALS
NILE
CHEMICALS
Section
1: Chemical Product and Company Identification
Product
Name: L-Cystine
CAS#:
56-89-3
Synonym:
3,3'-Dithiobis(2-aminopropionic
acid)
Chemical
Formula: C6H12N2O4S2
Section
2: Composition and Information on Ingredients Composition:
Name
CAS # % by Weight
{L-}Cystine
56-89-3 100
Toxicological
Data on Ingredients: L-Cystine
LD50: Not available. LC50: Not available.
Section
3: Hazards Identification
Potential
Acute Health Effects: Hazardous
in case of ingestion. Slightly hazardous in case of eye contact (irritant), of
inhalation.
Potential
Chronic Health Effects: Hazardous
in case of ingestion. Slightly hazardous in case of eye contact (irritant), of
inhalation. CARCINOGENIC EFFECTS: Not available. MUTAGENIC EFFECTS: Not
available. TERATOGENIC EFFECTS: Not available. DEVELOPMENTAL TOXICITY: Not
available. The substance is toxic to lungs, mucous membranes. Repeated or
prolonged exposure to the
substance
can produce target organs damage.
Section
4: First Aid Measures
Eye
Contact: Immediately flush
eyes with running water for at least 15 minutes, keeping eyelids open. Cold
water may be used.
Skin
Contact: No known effect
on skin contact, rinse with water for a few minutes.
Serious
Skin Contact: Not
available.
Inhalation:
Allow the victim to rest
in a well ventilated area. Seek immediate medical attention.
Serious
Inhalation: Not available.
Ingestion:
Do not induce vomiting.
Loosen tight clothing such as a collar, tie, belt or waistband. If the victim is
not breathing, perform mouth-to-mouth resuscitation. Seek immediate medical
attention.
Serious
Ingestion: Not available.
Section
5: Fire and Explosion Data
Flammability
of the Product: May be
combustible at high temperature.
Auto-Ignition
Temperature: Not
available.
Flash
Points: Not available.
Flammable
Limits: Not available.
Products
of Combustion: These
products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...), sulfur
oxides (SO2, SO3...).
Fire
Hazards in Presence of Various Substances: Not
available.
Explosion
Hazards in Presence of Various Substances:
Risks
of explosion of the product in presence of mechanical impact: Not available.
Risks of explosion of the product in presence of static discharge: Not
available.
Fire
Fighting Media and Instructions: SMALL
FIRE: Use DRY chemical powder. LARGE FIRE: Use water spray, fog or foam. Do not
use water jet.
Special
Remarks on Fire Hazards: Material
in powder form, capable of creating a dust explosion.
Special
Remarks on Explosion Hazards: Not
available.
Section
6: Accidental Release Measures Small Spill:
Use
appropriate tools to put the spilled solid in a convenient waste disposal
container. Finish cleaning by spreading water on the contaminated surface and
dispose of according to local and regional authority requirements.
Large
Spill: Use a shovel to put
the material into a convenient waste disposal container. Finish cleaning by
spreading water on the contaminated surface and allow to evacuate through the
sanitary system.
Section
7: Handling and Storage Precautions:
Keep
away from heat. Keep away from sources of ignition. Empty containers pose a fire
risk, evaporate the residue under a fume hood. Ground all equipment containing
material. Do not breathe dust.
Storage:
Keep container dry. Keep
in a cool place. Ground all equipment containing material. Keep container
tightly closed. Keep in a cool, well-ventilated place. Combustible materials
should be stored away from extreme heat and away from strong oxidizing agents.
Section
8: Exposure Controls/Personal Protection Engineering Controls:
Use
process enclosures, local exhaust ventilation, or other engineering controls to
keep airborne levels below recommended exposure limits. If user operations
generate dust, fume or mist, use ventilation to keep exposure to airborne
contaminants below the exposure limit.
Personal
Protection: Safety
glasses. Lab coat.
Personal
Protection in Case of a Large Spill:
Splash
goggles. Full suit. Boots. Gloves. Suggested protective clothing might not be
sufficient; consult a specialist BEFORE handling this product.
Exposure
Limits: Not available.
Section
9: Physical and Chemical Properties
Physical
state and appearance: Solid.
(Crystalline solid.)
Odor:
Not available.
Taste:
Not available.
Molecular
Weight: 240.29 g/mole
Color:
White.
pH
(1% soln/water): Not
available.
Boiling
Point: Not available.
Melting
Point: Decomposes. (260°C
or 500°F)
Critical
Temperature: Not
available.
Specific
Gravity: 1.677 (Water = 1)
Vapor
Pressure: Not applicable.
Vapor
Density: Not available.
Volatility:
Not available.
Odor
Threshold: Not available.
Water/Oil
Dist. Coeff.: Not
available.
Ionicity
(in Water): Not available.
Dispersion
Properties: Not available.
Solubility:
Very slightly soluble in
cold water.
Section
10: Stability and Reactivity Data
Stability:
The product is stable.
Instability
Temperature: Not
available.
Conditions
of Instability: Not
available.
Incompatibility
with various substances: Not
available.
Corrosivity:
Non-corrosive in presence
of glass.
Special
Remarks on Reactivity: Not
available.
Special
Remarks on Corrosivity: Not
available.
Polymerization:
No.
Section
11: Toxicological Information
Routes
of Entry: Ingestion.
Toxicity
to Animals:
LD50:
Not available. LC50: Not available.
Chronic
Effects on Humans: The
substance is toxic to lungs, mucous membranes.
Other
Toxic Effects on Humans: Hazardous
in case of ingestion. Slightly hazardous in case of inhalation.
Special
Remarks on Toxicity to Animals: Not
available.
Special
Remarks on Chronic Effects on Humans: Not
available.
Special
Remarks on other Toxic Effects on Humans: Nuisance
dust.
Section
12: Ecological Information
Ecotoxicity:
Not available.
BOD5
and COD: Not available.
Products
of Biodegradation: Possibly
hazardous short term degradation products are not likely. However, long term
degradation products may arise.
Toxicity
of the Products of Biodegradation: The
products of degradation are more toxic.
Special
Remarks on the Products of Biodegradation: Not
available.
Section
13: Disposal Considerations
Waste
Disposal:
Section
14: Transport Information
DOT
Classification: Not a DOT
controlled material
Identification:
Not applicable.
Special
Provisions for Transport: Not
applicable.
Section
15: Other Regulatory Information
Federal
and State Regulations: TSCA
8(b) inventory: L-Cystine
Other
Regulations: OSHA:
Hazardous by definition of Hazard Communication Standard (29 CFR 1910.1200).
Other
Classifications:
WHMIS
(Canada): CLASS D-2A:
Material causing other toxic effects (VERY TOXIC).
DSCL
(EEC): This product is not
classified according to the EU regulations.
HMIS
(U.S.A.):
Health
Hazard: 1
Fire
Hazard: 1
Reactivity:
0
Personal
Protection: a
National
Fire Protection Association (U.S.A.):
Health:
1
Flammability:
1
Reactivity:
0
Specific
hazard:
Protective
Equipment: Not applicable.
Lab coat. Wear appropriate respirator when ventilation is inadequate. Safety
glasses.
Disclaimer: Nile Chemicals. provides the
information contained herein in good faith but makes no representation as to its
comprehensiveness or accuracy. This document is intended only as a guide to the
appropriate precautionary handling of the material by a properly trained person
using this product. Individuals receiving the information must exercise their
independent judgment in determining its appropriateness for a particular
purpose. NILE CHEMICALS. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS
OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH
HEREIN OR THE PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, NILE
CHEMICALS. WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE
UPON THIS INFORMATION.
Product range
| Ph Indicator | Chemicals Lab Bulk | Catalyst | Food Colour | Herbs | Intermediates |
| Cesium Salts | Ion Pair Reagents | Direct Dyes | Contact details | Acid Dyes | Solvents |