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CAS Number: 756-79-6
Product Catalog
93-1523
Phosphorus › Dimethylmethylphosphonate, 97%| CAS Number: | 756-79-6 |
| MDL Number: | MFCD00008349 |
| Molecular Formula: | C3H9O3P |
| Molecular Weight: | 124.08 |
| Chemical Formula: | (CH3O)2P(O)(CH3) |
| Color and Form: | colorless liq. |
| Note: |
Physical Characteristics: boiling point 92-97°C/50 mm, flash point 156°F, density 1.160
| SECTION 1: Product Identification | |
|---|---|
| Chemical Name: | Dimethylmethylphosphonate, 97% |
| Product Number: | 93-1523 |
| CAS Registry Number: | 756-79-6 |
| Formula: | (CH3O)2P(O)(CH3) |
| EINECS Number: | 212-052-3 |
| Chemical Family: | organophosphorus compound |
| Synonym: | Dimethyl methylphosphonate, Methyl phosphonic acid, dimethyl ester, Methane phosphonic acid, dimethyl ester |
| SECTION 2: Composition and Information on Ingredients | ||||
|---|---|---|---|---|
| Ingredient | CAS Number | Percent | ACGIH (TWA) | OSHA (PEL) |
| Title Compound | 756-79-6 | 100 | no data | no data |
| SECTION 3: Hazards Identification | |
|---|---|
| Emergency Overview: | Irritating to eyes, skin and respiratory tract. Possible risk of harm to the unborn child. Possible risk of irreversible effects. May impair fertility. Ingestion may cause nausea and vomiting. |
| Primary Routes of Exposure: | Eye, skin and inhalation |
| Eye Contact: | Cause mild irritation of the eyes. |
| Skin Contact: | Causes slight to mild irritation of the skin. Prolonged contact may dry the skin and lead to rashes or more severe irritation. |
| Inhalation: | Irritating to the nose, mucous membranes and respiratory tract. Can cause dizziness, headaches, nausea and impaired coordination. |
| Ingestion: | Irritating to mouth throat and stomach. May cause dizziness, nausea, vomiting, pain and stomach upset. |
| Acute Health Effects: | Irritating to skin, eyes and respiratory tract. Possible risk of harm to the unborn child. |
| Chronic Health Effects: | No information available on long term chromic effects. May impair fertility. Possible risk of irreversible effects. |
| 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 10-15 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: | 156°F |
| Autoignition Temperature: | no data |
| Explosion Limits: | no data |
| Extinguishing Medium: | dry chemical, carbon dioxide, or foam. |
| Special Fire Fighting Procedures: | Fire fighters should be equipped with a NIOSH-approved positive pressure self-contained breathing and full protective clothing. |
| Hazardous Combustion and Decomposion Products: | In a fire material may emit toxic organic fumes, carbon monoxide, carbon dioxide, and phosphorous pentoxide. |
| Unusual Fire or Explosion Hazards: | No unusual fire or explosion hazards. |
| SECTION 6: Accidental Release Measures | |
|---|---|
| Spill and Leak Procedures: | Small spills may be adsorbed into diatomaceous earth, vermiculite, sand, or sawdust. The solids can then be swept up and properly disposed of. |
| SECTION 7: Handling and Storage | |
|---|---|
| Handling and Storage: | Store in a cool, dry, well-ventilated area away from heat. Handle in a dry atmosphere. |
| 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. Consult with glove manufacturer to determine the proper type of glove. |
| Ventilation: | Work with this product in a well-ventilated area, preferably a fume hood. |
| Respirator: | If ventilation is not available a respirator should be worn. The use of respirators requires a Respirator Protection Program to be in compliance with 29 CFR 1910.134 |
| Additional Protection: | No additional protection required. |
| SECTION 9: Physical and Chemical Properties | |
|---|---|
| Color and Form: | colorless liq. |
| Molecular Weight: | 124.08 |
| Melting Point: | no data |
| Boiling Point: | 92-97°C(50 mm) |
| Vapor Pressure: | 0.1 Torr 20°C |
| Specific Gravity: | 1.17 |
| Odor: | pungent odor |
| Solubility in Water: | insoluble |
| SECTION 10: Stability and Reactivity | |
|---|---|
| Stability: | air and moisture stable |
| Hazardous Polymerization: | no hazardous polymerization |
| Conditions to Avoid: | contact with strong acids and bases may liberate methanol. |
| Incompatibility: | oxidizing agents, halogens, strong acids and strong bases. |
| Decomposition Products: | carbon dioxide, carbon monoxide, organic fumes, and phosphorus pentoxide. |
| SECTION 11: Toxicological Information | |
|---|---|
| RTECS Data: | Oral (rat); LD50: 8210 mg/kg. Intravenous (rat); LD50: 1050 mg/kg. Oral (mouse); LD50: >6810 mg/kg. Intravenous (mouse); LD50: 912 mg/kg. Oral (chicken); LD50: 3998 mg/kg. Oral (rat); TDLo: 75 gm/kg/15D-C. Oral (rat); TDLo: 130 gm/kg/13W-I. Oral (mouse); TDLo: 150 gm/kg/15D-I. Oral (mouse); TDLo: 260 gm/kg/13W-I. Oral (rat); TDLo: 515 gm/kg/2Y-C. Oral (rat); TDLo: 63 gm/kg. |
| Carcinogenic Effects: | Tumorigen |
| Mutagenic Effects: | Possible mutagen |
| Tetratogenic Effects: | Reproductive Effector |
| SECTION 12: Ecological Information | |
|---|---|
| Ecological Information: | No information available |
| SECTION 13: Disposal Considerations | |
|---|---|
| Disposal: | Dispose of according to federal, state, and local 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: | Listed in the TSCA inventory. |
| SARA (Title 313): | Title compound not listed. |
| 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. However, Strem Chemicals, Inc. makes no representation, 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: | 5/14/2001 |
| Revision Date: | 8/16/2011 |
