information Related products Suppliers

L-Tryptophan,1,1'-ethylidenebis- (9CI)

Conforms to 93/112/EC and ISO 11014-1

SAFETY DATA SHEET
Order Number Customer Number

Identification of the substance/preparation and of the company/undertaking
1.
Peak E : 341010
Product name : Catalog #
: EMD Biosciences, Inc.
Supplier
10394 Pacific Center Court
Chemical formula C24H26N4O4
:
San Diego, CA 92121
(858)450-5558/(800)854-3417
FAX: (858)453-3552

1,1'-Ethylidene-bis-(L-tryptophan); Contaminant 97; EBT
Synonym :

Emergency telephone : Call Chemtrec?
number (800)424-9300 (within U.S.A.)
(703)527-3887 (outside U.S.A.)

Composition / information on ingredients
2.
: Substance
Substance/Preparation

Chemical name* CAS No. EC Number Symbol R-Phrases
1,1'-Ethylidene-bis-(L-tryptophan); Contaminant 97; EBT 132685-02-0 Not available. C R22, R35

Hazards identification
3.
: Not applicable.
Physical/chemical hazards
: DANGER!
Human health hazards
CAUSES SEVERE RESPIRATORY TRACT, EYE AND SKIN BURNS.
MAY BE HARMFUL IF SWALLOWED.
MAY CAUSE DAMAGE TO THE FOLLOWING ORGANS: BLOOD, RESPIRATORY TRACT,
SKIN, MUSCLE TISSUE.

First-aid measures
4.
First-Aid measures
: If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical
Inhalation
attention immediately.
: Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious
Ingestion
person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a
collar, tie, belt or waistband.
: In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing
Skin Contact
and shoes. Wash clothing before reuse. Thoroughly clean shoes before reuse. Get medical attention immediately.
: Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15
Eye Contact
minutes. Get medical attention immediately.

Effects and symptoms
Inhalation : Inhalation of dust will produce irritation to gastro-intestinal or respiratory tract, characterized by burning, sneezing and
coughing. Over-exposure by inhalation may cause respiratory irritation.
: May be fatal if swallowed. May cause burns to mouth, throat and stomach.
Ingestion
: corrosive The amount of tissue damage depends on length of contact. Skin contact can produce inflammation and
Skin Contact
blistering.
: Corrosive to eyes. Eye contact can result in corneal damage or blindness.
Eye Contact
: Repeated exposure of the eyes to a low level of dust can produce eye irritation. Repeated skin exposure can produce local
Aggravating conditions
skin destruction, or dermatitis. Repeated inhalation of dust can produce varying degree of respiratory irritation or lung
damage.

341010
Catalog #
5. Fire-fighting measures
: May be combustible at high temperature.
Flammability of the Product
Extinguishing Media
: SMALL FIRE: Use DRY chemical powder.
Suitable
LARGE FIRE: Use water spray, fog or foam. Do not use water jet.
: These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
Hazardous thermal (de)composition
products

: Fire fighters should wear positive pressure self-contained breathing apparatus (SCBA) and full turnout gear.
Special fire-fighting procedures
: Be sure to use an approved/certified respirator or equivalent.
Protection of fire-fighters

Accidental release measures
6.
: Splash goggles. Full suit. Dust respirator. Boots. Gloves. A self-contained breathing apparatus should be used to avoid
Personal precautions
inhalation of the product. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this
product.
: Use appropriate tools to put the spilled solid in a convenient waste disposal container.
Small Spill and Leak

: Stop leak if without risk. Do not get water inside container. Do not touch spilled material. Use water spray to reduce
Large Spill and Leak
vapors. Prevent entry into sewers, basements or confined areas; dike if needed. Eliminate all ignition sources. Call
for assistance on disposal.

Handling and storage
7.
: Keep container dry. Keep away from heat. Keep away from sources of ignition. Empty containers pose a fire risk,
Handling
evaporate the residue under a fume hood. Ground all equipment containing material. Do not ingest. Do not breathe dust.
Never add water to this product. Wear suitable protective clothing. If ingested, seek medical advice immediately and show
the container or the label.
: Keep container tightly closed. Keep container in a cool, well-ventilated area. Do not store above 4??C (39.2??F).
Storage
Packaging materials
: Use original container.
Recommended use

Exposure controls/personal protection
8.
: Use process enclosures, local exhaust ventilation, or other engineering controls to keep airborne levels below
Engineering measures
recommended exposure limits. If user operations generate dust, fume or mist, use ventilation to keep exposure to airborne
contaminants below the exposure limit.
: Wash hands, forearms, and face thoroughly after handling compounds and before eating, smoking, using lavatory, and at
Hygiene measures
the end of day.
Ingredient Name Occupational Exposure Limits
Peak E Not available.

Personal protective equipment
: Dust respirator. Be sure to use an approved/certified respirator or equivalent.
Respiratory system
: Synthetic apron.
Skin and body
: Gloves.
Hands
: Splash goggles.
Eyes
Protective Clothing (Pictograms) :

Physical and chemical properties
9.
: Solid.
Physical state
Color : Off-white.
: 434.5 g/mole
Molecular Weight

: 235??C (455??F)
Melting Point
: Not available.
Solubility
Flash point : Not available.
: Risks of explosion of the product in presence of mechanical impact: Not available.
Explosive properties
Risks of explosion of the product in presence of static discharge: Not available.

341010
Catalog #
10. Stability and reactivity
: The product is stable.
Stability
: Not available.
Conditions to avoid
: These products are carbon oxides (CO, CO2), nitrogen oxides (NO, NO2...).
Hazardous Decomposition Products

11. Toxicological information
RTECS # : Not available.
Local effects
Skin irritation : Extremely hazardous in case of skin contact (corrosive).
: LD50: Not available.
Acute toxicity
LC50: Not available.
: Repeated exposure of the eyes to a low level of dust can produce eye irritation. Repeated skin exposure can produce local
Chronic toxicity
skin destruction, or dermatitis. Repeated inhalation of dust can produce varying degree of respiratory irritation or lung
damage.
: Not available.
Other Toxic Effects on Humans
Extremely hazardous in case of skin contact (corrosive), of eye contact (corrosive), of inhalation (lung corrosive).
Hazardous in case of ingestion.
Not available.

To the best of our knowledge, the toxicological properties of this product have not been thoroughly investigated.

Carcinogenic effects : Not available.
: Not available.
Mutagenic effects
Reproduction toxicity : Not available.
: Not available.
Teratogenic effects

12. Ecological information
: Not available.
Ecotoxicity
: The products of degradation are less toxic than the product itself.
Toxicity of the Products of
Biodegradation

13. Disposal considerations
: Waste must be disposed of in accordance with federal, state and local environmental control regulations.
Methods of disposal; Waste of residues;
Contaminated packaging

14. Transport information
International transport regulations
Land - Road/Railway
: Not controlled under ADR (Europe).
ADR/RID Class
Sea
: Not controlled under IMDG.
IMDG Class
Air
: Not controlled under IATA.
IATA-DGR Class
Not applicable.
Special Provisions for
Transport

15. Regulatory information
EU Regulations
Hazard symbol(s) :

: Corrosive
Classification
: R22- Harmful if swallowed.
Risk Phrases
R35- Causes severe burns.
: S26- In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
Safety Phrases
S36/37/39- Wear suitable protective clothing, gloves and eye/face protection.
S45- In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).
: - Peak E
Contains
U.S. Federal Regulations : TSCA: No products were found.

341010
Catalog #
SARA 302/304/311/312 extremely hazardous substances: No products were found.
SARA 302/304 emergency planning and notification: No products were found.
SARA 302/304/311/312 hazardous chemicals: No products were found.
SARA 311/312 MSDS distribution - chemical inventory - hazard identification: No products were found.
SARA 313 toxic chemical notification and release reporting: No products were found.
Clean Water Act (CWA) 307: No products were found.
Clean Water Act (CWA) 311: No products were found.
Clean air act (CAA) 112 accidental release prevention: No products were found.
Clean air act (CAA) 112 regulated flammable substances: No products were found.
Clean air act (CAA) 112 regulated toxic substances: No products were found.
: CLASS: Corrosive material
HCS Classification

State Regulations :

: Not controlled under WHMIS (Canada).
WHMIS (Canada)
No products were found.

16. Other information
Hazardous Material * 3 National Fire
Health
Fire Hazard
1
Information System Protection Association
1
Fire Hazard
(U.S.A.) (U.S.A.) 3 0
Health Reactivity
0
Reactivity
Specific Hazard
Personal Protection
Personal Protection

Notice to Reader
To the best of our knowledge, the information contained herein is accurate. However, neither the above named supplier nor any of its subsidiaries assumes any
liability whatsoever for the accuracy or completeness of the information contained herein.
Final determination of suitability of any material is the sole responsibility of the user. All materials may present unknown hazards and should be used with
caution. Although certain hazards are described herein, we cannot guarantee that these are the only hazards that exist. **This product is intended for research
use only.**

341010
Catalog # Date of issue 11/2/2005.

;