JEMA
MATERIAL SAFETY DATA SHEET
Manufacturer: JEMA Biosciences
P. O. Box 635193
San Diego, CA 92163-5193, U.S.A.
www.jemabiosciences.com

SECTION 1: Product Identification
Chemical Name: MSSM, Mycothiol disulfide ,(2R,2'R)-3,3'-disulfanediylbis(2-acetamido-N-((2R,3R,4R,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-2-(((1S,2R,3R,4S,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl)oxy)tetrahydro-2H-pyran-3-yl)propanamide)
Note: Material is provided in dried ammonium trifluoroacetate buffer
Product Number: 12-001
CAS Registry Number: 192126-76-4
Formula: C34H58N4O24S2
Purity: 99%
Chemical Family: redox thiol

SECTION 2: Composition and Information on Ingredients
Ingredient: Mycothiol disulfide
CAS Number: 192126-76-4
Percent: 100%
ACGIH (TWA): 2.5mg/m3 (as F)
OSHA (PEL): 2.5mg/m3 (as F)
H-statement (GSSH): none
R-statement: none

SECTION 3: Hazards Identification
Emergency Overview: MSSM is sold in small quantities and when used as such does not present considerable health risks.
Primary Routes of Exposure: None
Eye Contact: None
Skin Contact: None
Inhalation: May be to the nose, mucous membranes and respiratory tract.
Ingestion: No information available on the physiological effects of ingestion. May be harmful if swallowed.
Acute Health Effects: Irritating to skin, eyes and respiratory tract.
Chronic Health Effects: None
NTP: No
IARC: No
OSHA: No

SECTION 4: First Aid Measures
Eye Exposure: Immediately flush the eyes with copious amounts of water for at least 15 minutes. A victim may need assistance in keeping their eye lids open. Get immediate medical attention.
Skin Exposure: Wash the affected area with water. Remove contaminated clothes if necessary. Seek medical assistance if irritation persists.
Inhalation: Remove the victim to fresh air. Closely monitor the victim for signs of respiratory problems, such as difficulty in breathing, coughing, wheezing, or pain. In such cases seek immediate medical assistance.
Ingestion: Seek medical attention immediately. Keep the victim calm. Give the victim water (only if conscious). Induce vomiting only if directed by medical personnel.

SECTION 5: Fire Fighting Measures
Flash Point: no data
Autoignition Temperature: no data
Explosion Limits: no data
Extinguishing Medium: non flammable
Special Fire Fighting Procedures: no special procedures when working with milligram quantities of this material
Hazardous Combustion and Decomposion Products: no data
Unusual Fire or Explosion Hazards: No unusual fire or explosion hazards.

SECTION 6: Accidental Release Measures
Spill and Leak Procedures: Small spills can be mixed with vermiculite or sodium carbonate and swept up.

SECTION 7: Handling and Storage
Handling and Storage: Store under argon or nitrogen atmosphere at -20 °C


SECTION 8: Exposure Controls and Personal Protection
Eye Protection: Always wear approved safety glasses when handling a chemical substance in the laboratory.
Skin Protection: Wear protective clothing and gloves.
Ventilation: Not required.
Respirator: Not required.
Additional Protection: No additional protection required.

SECTION 9: Physical and Chemical Properties
Color and Form: white solid
Molecular Weight: 970.96
Melting Point: no data
Boiling Point: no data
Vapor Pressure: no data
Specific Gravity: no data
Odor: none
Solubility in Water: soluble

SECTION 10: Stability and Reactivity
Stability: stable when stored at -20C °C for extended periods
Hazardous Polymerization: no hazardous polymerization
Conditions to Avoid: oxidizing agents, storage at room temperature for extended periods
Incompatibility: oxidizing agents
Decomposition Products: inositol, N-acetylglycosamine, cysteine

SECTION 11: Toxicological Information
RTECS Data: no data
Carcinogenic Effects: no data
Mutagenic Effects: no data
Tetratogenic Effects: no data

SECTION 12: Ecological Information
Ecological Information: No information available

SECTION 13: Disposal Considerations
Disposal: Dispose of according to local, state and federal regulations.

SECTION 14: Transportation
Shipping Name (CFR): Non-hazardous
Hazard Class (CFR): NA
Additional Hazard Class (CFR): NA
Packaging Group (CFR): NA
UN ID Number (CFR): NA
Shipping Name (IATA): Non-hazardous
Hazard Class (IATA): NA
Additional Hazard Class (IATA): NA
Packaging Group (IATA): NA
UN ID Number (IATA): NA

SECTION 15: Regulatory Information
TSCA: Not listed in the TSCA inventory
SARA (Title 313): Not regulated under SARA 313
Second Ingredient: none
Third Ingredient: none

SECTION 16: Other Information
Disclaimer: The information herein is believed to be accurate and reliable as of the date compiled. JEMA Biosciences makes no warranty, or guarantee of any kind with respect to the information contained in this document or any use of the product based on this information.
Preparation Date: 4/2/2014
Revision Date: 4/2/2014