Material Safety Data Sheet
D(-)-allo-Threonine     

Section 1 - Chemical Product and Company Identification
MSDS Name: D(-)-allo-Threonine 
Catalog Numbers: SC-09868

Section 2 - Composition, Information on Ingredients 
CAS#24830-94-2
Chemical Name: D(-)-allo-Threonine   
Percent  95%min
EINECS/ELINCS: 246-488-0
Identified uses : Laboratory chemicals, Manufacture of substances

Section 3 - Hazards Identification 
EMERGENCY OVERVIEW
Harmful if swallowed. May cause irritating to eyes, respiratory system and skin.

Potential Health Effects
Eye: May cause skin irritation.
Skin: May cause skin irritation.
Ingestion: The toxicological properties of this substance have not been fully investigated.
Inhalation: May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
Chronic: No information found. 

Section 4 - First Aid Measures 
AFTER INHALATION
 If inhaled, remove to fresh air. If not breathing give  artificial respiration. If breathing is difficult, give oxygen.
AFTER SKIN CONTACT
 In case of contact, immediately wash skin with soap and copious  amounts of water.
AFTER EYE CONTACT
 In case of contact, immediately flush eyes with copious amounts  of water for at least 15 minutes.
AFTER INGESTION
 If swallowed, wash out mouth with water provided person is  conscious. Call a physician.

Section 5 - Fire Fighting Measures 
EXTINGUISHING MEDIA
 Suitable: Water spray. Carbon dioxide, dry chemical powder, or  appropriate foam.
SPECIAL RISKS
 Specific Hazard(s): Emits toxic fumes under fire conditions.
SPECIAL PROTECTIVE EQUIPMENT FOR FIREFIGHTERS
 Wear self-contained breathing apparatus and protective clothing  to prevent contact with skin and eyes.

Section 6 - Accidental Release Measures 
PROCEDURE(S) OF PERSONAL PRECAUTION(S)
 Wear respirator, chemical safety goggles, rubber boots, and  heavy rubber gloves.
METHODS FOR CLEANING UP
 Sweep up, place in a bag and hold for waste disposal. Avoid  raising dust. Ventilate area and wash spill site after material  pickup is complete.

Section 7 - Handling and Storage 
HANDLING
 Directions for Safe Handling: Avoid inhalation. Avoid contact  with eyes, skin, and clothing. Avoid prolonged or repeated  exposure.
STORAGE
 Conditions of Storage: Keep tightly closed. Store in a cool dry  place.

Section 8 - Exposure Controls, Personal Protection 
ENGINEERING CONTROLS
 Safety shower and eye bath. Mechanical exhaust required.
GENERAL HYGIENE MEASURES
 Wash contaminated clothing before reuse. Wash thoroughly after  handling.
PERSONAL PROTECTIVE EQUIPMENT
 Respiratory Protection: Use respirators and components tested and  approved under appropriate government standards such as NIOSH (US)
 or CEN (EU). Respiratory protection is not required. Where protection from nuisance levels of dusts are desired, use type N95 (US) or type P1 (EN 143) dust masks.
 Hand Protection: Compatible chemical-resistant gloves.
 Eye Protection: Chemical safety goggles.

Section 9 - Physical and Chemical Properties 
Physical State: Fine crystals
Color: Colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available. 
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Decomposition Temperature: Not available.
Water Solubility: Not available.
Specific Gravity/Density: Not available.
Molecular Formula: C6H13NO2
Molecular Weight: 131.17

Section 10 - Stability and Reactivity 
10.1 Reactivity: no data available 
10.2 Chemical stability: no data available
10.3 Possibility of hazardous reactions: no data available
10.4 Conditions to avoid: Strong oxidizing agents.
10.5 Incompatible materials: Oxidizing agents, Reducing agents
10.6 Hazardous decomposition products: Carbon monoxide, Carbon dioxide, Nitrogen oxides.

Section 11 - Toxicological Information 
RTECS NUMBER: BA4050000
ACUTE TOXICITY
 LD50
 Intraperitoneal
 Rat
 6910 MG/KG
 Remarks: Nutritional and Gross Metabolic:Changes in:Body
 temperature decrease. Lungs, Thorax, or Respiration:Dyspnea.
 Behavioral:Muscle contraction or spasticity.
SIGNS AND SYMPTOMS OF EXPOSURE
 To the best of our knowledge, the chemical, physical, and
 toxicological properties have not been thoroughly investigated.
ROUTE OF EXPOSURE
 Skin Contact: May cause skin irritation.
 Eye Contact: May cause eye irritation.
 Multiple Routes: May be harmful by inhalation, ingestion, or skin absorption. 

Section 12 - Ecological Information 
No data available.

Section 13 - Disposal Considerations 
13.1 Waste treatment methods
Product
Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting as this material is highly flammable. Offer surplus and non-recyclable solutions to a licensed disposal company. Contact a licensed professional waste disposal service to dispose of this material.
Contaminated packaging
Dispose of as unused product.  

Section 14 - Transport Information 
14.1 UN number
ADR/RID: -                     IMDG: -                                                  IATA: -
14.2 UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
14.3 Transport hazard class(es)
ADR/RID: -                   IMDG: -                                                    IATA: -
14.4 Packaging group 
ADR/RID: -                   IMDG: -                                                     IATA: -
14.5 Environmental hazards
ADR/RID: no                IMDG Marine Pollutant: no                       IATA: no
14.6 Special precautions for user
no data available

Section 15 - Regulatory Information 
COUNTRY SPECIFIC INFORMATION
Germany
 WGK: 3
 Self-Classification
Section 16 - Additional Information
While the information herein is believed to be reliable, it is furnished without warranty of any kind. It shall be used only as a guide. We assume no liabilities
from the use of this product or information contained herein.