SAFETY DATA SHEETS
According to the UN GHS revision 10
SECTION 1: Identification
1.1 GHS Product identifier
| Product name | 2,2-dimethylpropane-1,3-diol |
|---|
1.2 Other means of identification
| Product number | - |
|---|---|
| Other names | Neopentyl glycol (NPG); 2,2-Bis(hydroxymethyl)propane; 1,3-Propanediol, 2,2-dimethyl- |
1.3 Recommended use of the chemical and restrictions on use
| Identified uses | Industrial and scientific research use. |
|---|---|
| Uses advised against | no data available |
1.4 Supplier's details
| Company | Zhongshan Greenrock Technology Co., Ltd. |
|---|---|
| Address | No. 138, Jinsan Avenue, Sanjiao Town, Zhongshan City, Guangdong Province, China |
| Telephone | +86-2087066781 |
| export@greenrockchem.com |
1.5 Emergency phone number
| Emergency phone number | +86-2087066781 |
|---|---|
| Service hours | Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours). |
SECTION 2: Hazard identification
2.1 Classification of the substance or mixture
Serious eye damage, Category 1
2.2 GHS label elements, including precautionary statements
| Pictogram(s) |  |
|---|---|
| Signal word | Danger |
| Hazard statement(s) | H318 Causes serious eye damage |
| Precautionary statement(s) | |
| Prevention | P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/... |
| Response | P305+P354+P338 IF IN EYES: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P317 Get medical help. |
| Storage | none |
| Disposal | none |
2.3 Other hazards which do not result in classification
no data available
SECTION 3: Composition/information on ingredients
3.1 Substances
| Chemical name | Common names and synonyms | CAS number | EC number | Concentration |
|---|---|---|---|---|
| 2,2-dimethylpropane-1,3-diol | 2,2-dimethylpropane-1,3-diol | 126-30-7 | 204-781-0 | ≈ 99% |
SECTION 4: First-aid measures
4.1 Description of necessary first-aid measures
If inhaled
Fresh air, rest.
Following skin contact
Remove contaminated clothes. Rinse and then wash skin with water and soap.
Following eye contact
First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention.
Following ingestion
Rinse mouth.
4.2 Most important symptoms/effects, acute and delayed
May be harmful by ingestion or skin absorption. Causes eye and skin irritation. Material is irritating to mucous membrane and upper respiratory tract. INHALATION: Call for medical aid. Remove to fresh air. If breathing has stopped, give artificial respiration. If breathing is difficult, give oxygen. (USCG, 1999)
4.3 Indication of immediate medical attention and special treatment needed, if necessary
no data available
SECTION 5: Fire-fighting measures
5.1 Suitable extinguishing media
Fire Extinguishing Agents: Water sprays, dry chemical powder, alcohol or polymer foam. (USCG, 1999)
5.2 Specific hazards arising from the chemical
Special Hazards of Combustion Products: Emits toxic fumes under fire condition. (USCG, 1999)
5.3 Special protective actions for fire-fighters
Use water spray, powder.
SECTION 6: Accidental release measures
6.1 Personal precautions, protective equipment and emergency procedures
Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into covered containers. Remove gas with fine water spray.
6.2 Environmental precautions
Personal protection: P2 filter respirator for harmful particles. Sweep spilled substance into covered containers. Remove gas with fine water spray.
6.3 Methods and materials for containment and cleaning up
Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.
SECTION 7: Handling and storage
7.1 Precautions for safe handling
NO open flames. Closed system, dust explosion-proof electrical equipment and lighting. Prevent deposition of dust. Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
7.2 Conditions for safe storage, including any incompatibilities
Separated from oxidants. Dry.
SECTION 8: Exposure controls/personal protection
8.1 Control parameters
Occupational Exposure limit values
no data available
Biological limit values
no data available
8.2 Appropriate engineering controls
Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.
8.3 Individual protection measures, such as personal protective equipment (PPE)
Eye/face protection
Wear safety spectacles.
Skin protection
Protective gloves.
Respiratory protection
Avoid inhalation of dust and mist. Use ventilation, local exhaust or breathing protection.
Thermal hazards
no data available
SECTION 9: Physical and chemical properties and safety characteristics
| Physical state | Solid. Crystalline. |
|---|---|
| Colour | White. |
| Odour | no data available |
| Melting point/freezing point | >= 127.5 - <= 129.6 °C. |
| Boiling point or initial boiling point and boiling range | 209.39 °C. Atm. press.:1 013.25 hPa. |
| Flammability | Combustible. |
| Lower and upper explosion limit/flammability limit | no data available |
| Flash point | 1°C(lit.) |
| Auto-ignition temperature | 375 °C. Remarks:Stated as 375°C; no data relating to the measured pressure (standard conditions assumed). |
| Decomposition temperature | no data available |
| pH | no data available |
| Kinematic viscosity | no data available |
| Solubility | in water, g/100ml at 20°C: 83 |
| Partition coefficient n-octanol/water | log Pow = -0.15. Temperature:25 °C. Remarks:PH not indicated. |
| Vapour pressure | 0.005 hPa. Temperature:20 °C. Remarks:Extrapolated.;0.01 hPa. Temperature:25 °C. Remarks:Extrapolated.;0.192 hPa. Temperature:50 °C. Remarks:Extrapolated. |
| Density and/or relative density | 1.064 g/cm³. Temperature:20 °C. |
| Relative vapour density | 3.6 (vs air) |
| Particle characteristics | no data available |
SECTION 10: Stability and reactivity
10.1 Reactivity
Reacts violently with oxidants.
10.2 Chemical stability
no data available
10.3 Possibility of hazardous reactions
Dust explosion possible if in powder or granular form, mixed with air.2,2-DIMETHYLPROPANE-1,3-DIOL may generate toxic gases in combination of with alkali metals, nitrides, and strong reducing agents. Reacts with inorganic acids and carboxylic acids to form esters plus water. Converted to aldehydes or acids by oxidizing agents. May initiate the polymerization of isocyanates and epoxides.
10.4 Conditions to avoid
no data available
10.5 Incompatible materials
no data available
10.6 Hazardous decomposition products
no data available
SECTION 11: Toxicological information
Acute toxicity
- Oral: LD50 - rat (female) - > 6 400 mg/kg bw.
- Inhalation: LC0 - rat (male/female) - 140 mg/m³ air (nominal).
- Dermal: LD50 - guinea pig - > 4 000 mg/kg bw.
Skin corrosion/irritation
no data available
Serious eye damage/irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
no data available
Reproductive toxicity
no data available
STOT-single exposure
The substance is irritating to the eyes and respiratory tract.
STOT-repeated exposure
no data available
Aspiration hazard
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly when dispersed, especially if powdered.
SECTION 12: Ecological information
12.1 Toxicity
- Toxicity to fish: LC50 - Oryzias latipes - > 10 000 mg/L - 48 h.
- Toxicity to daphnia and other aquatic invertebrates: EC50 - Daphnia magna - > 500 mg/L - 48 h.
- Toxicity to algae: EC50 - Desmodesmus subspicatus (previous name: Scenedesmus subspicatus) - > 500 mg/L - 72 h.
- Toxicity to microorganisms: SG (Schädlichkeitsgrenze) equivalent to TTC (toxic threshold concentration) - activated sludge, domestic - 2 000 mg/L - 24 h.
12.2 Persistence and degradability
no data available
12.3 Bioaccumulative potential
no data available
12.4 Mobility in soil
no data available
12.5 Other adverse effects
no data available
SECTION 13: Disposal considerations
13.1 Disposal methods
Product
The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.
Contaminated packaging
Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.
SECTION 14: Transport information
14.1 UN Number
| ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
14.2 UN Proper Shipping Name
| ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
14.3 Transport hazard class(es)
| ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
14.4 Packing group, if applicable
| ADR/RID: Not dangerous goods. (For reference only, please check.) | IMDG: Not dangerous goods. (For reference only, please check.) | IATA: Not dangerous goods. (For reference only, please check.) |
14.5 Environmental hazards
| ADR/RID: No | IMDG: No | IATA: No |
14.6 Special precautions for user
no data available
14.7 Transport in bulk according to IMO instruments
no data available
SECTION 15: Regulatory information
15.1 Safety, health and environmental regulations specific for the product in question
| Chemical name | Common names and synonyms | CAS number | EC number |
|---|---|---|---|
| 2,2-dimethylpropane-1,3-diol | 2,2-dimethylpropane-1,3-diol | 126-30-7 | 204-781-0 |
| European Inventory of Existing Commercial Chemical Substances (EINECS) | Listed. | ||
| EC Inventory | Listed. | ||
| United States Toxic Substances Control Act (TSCA) Inventory | Listed. | ||
| China Catalog of Hazardous chemicals 2015 | Not Listed. | ||
| New Zealand Inventory of Chemicals (NZIoC) | Listed. | ||
| Philippines Inventory of Chemicals and Chemical Substances (PICCS) | Listed. | ||
| Vietnam National Chemical Inventory | Listed. | ||
| Chinese Chemical Inventory of Existing Chemical Substances (China IECSC) | Listed. | ||
| Korea Existing Chemicals List (KECL) | Listed. | ||
SECTION 16: Other information
Information on revision
| Creation Date | July 15, 2024 |
|---|---|
| Revision Date | July 15, 2024 |
Abbreviations and acronyms
- CAS: Chemical Abstracts Service
- ADR: European Agreement concerning the International Carriage of Dangerous Goods by Road
- RID: Regulation concerning the International Carriage of Dangerous Goods by Rail
- IMDG: International Maritime Dangerous Goods
- IATA: International Air Transportation Association
- TWA: Time Weighted Average
- STEL: Short term exposure limit
- LC50: Lethal Concentration 50%
- LD50: Lethal Dose 50%
- EC50: Effective Concentration 50%
References
- IPCS - The International Chemical Safety Cards (ICSC), website: http://www.ilo.org/dyn/icsc/showcard.home
- HSDB - Hazardous Substances Data Bank, website: https://toxnet.nlm.nih.gov/newtoxnet/hsdb.htm
- IARC - International Agency for Research on Cancer, website: http://www.iarc.fr/
- eChemPortal - The Global Portal to Information on Chemical Substances by OECD, website: http://www.echemportal.org/echemportal/index?pageID=0&request_locale=en
- CAMEO Chemicals, website: http://cameochemicals.noaa.gov/search/simple
- ChemIDplus, website: http://chem.sis.nlm.nih.gov/chemidplus/chemidlite.jsp
- ERG - Emergency Response Guidebook by U.S. Department of Transportation, website: http://www.phmsa.dot.gov/hazmat/library/erg
- Germany GESTIS-database on hazard substance, website: http://www.dguv.de/ifa/gestis/gestis-stoffdatenbank/index-2.jsp
- ECHA - European Chemicals Agency, website: https://echa.europa.eu/
Other Information
Health effects of exposure to the substance have not been investigated adequately.
Any questions regarding this SDS, Please send your inquiry to export@greenrockchem.com
Disclaimer: The above information is believed to be correct but does not purport to be all inclusive and shall be used only as a guide. The information in this document is based on the present state of our knowledge and is applicable to the product with regard to appropriate safety precautions. It does not represent any guarantee of the properties of the product. We as supplier shall not be held liable for any damage resulting from handling or from contact with the above product.