Product Name: Sodium pyrophosphate (food grade)
First, chemical name: anhydrous sodium pyrophosphate decahydrate sodium pyrophosphate
Molecular formula: Na4P2O7 Na4P2O7·10H2O
Third, molecular weight: 265.90 446.05
Four, performance: decahydrate is colorless crystal or white crystalline powder, easy to weather, heating to 100℃ to lose crystal water, 985℃ melting, soluble in water, insoluble in ethanol, aqueous solution is alkaline, anhydrous substance is white powder, soluble in water, insoluble in ethanol, aqueous solution is alkaline.
SAFETY DATA SHEETS
According to the UN GHS revision 9
Version: 1.0
Creation Date: July 15, 2019
Revision Date: July 15, 2019
SECTION 1: Identification
1.1GHS Product identifier
| Product name | Tetrasodium pyrophosphate |
1.2Other means of identification
| Product number | - |
| Other names | Tetrasodium pyrophosphate;Sodium pyrophosphate, anhydrous, tech.; |
1.3Recommended use of the chemical and restrictions on use
| Identified uses | Industrial and scientific research use. |
| Uses advised against | no data available |
1.5Emergency phone number
| Emergency phone number | 13121892008 |
| Service hours | Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours). |
SECTION 2: Hazard identification
2.1Classification of the substance or mixture
Acute toxicity - Category 4, Oral
Serious eye damage, Category 1
2.3Other hazards which do not result in classification
SECTION 3: Composition/information on ingredients
3.1Substances
| Chemical name | Common names and synonyms | CAS number | EC number | Concentration |
| Tetrasodium pyrophosphate | Tetrasodium pyrophosphate | 7722-88-5 | 231-767-1 | 100% |
SECTION 4: First-aid measures
4.1Description of necessary first-aid measures
If inhaled
Fresh air, rest. Refer for medical attention.
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. Refer for medical attention .
4.2Most important symptoms/effects, acute and delayed
4.3Indication of immediate medical attention and special treatment needed, if necessary
SECTION 5: Fire-fighting measures
5.1Suitable extinguishing media
Use dry chemical, carbon dioxide or alcohol-resistant foam.
5.2Specific hazards arising from the chemical
Not combustible. Gives off irritating or toxic fumes (or gases) in a fire.
5.3Special protective actions for fire-fighters
In case of fire in the surroundings, use appropriate extinguishing media.
SECTION 6: Accidental release measures
6.1Personal precautions, protective equipment and emergency procedures
Sweep spilled substance into covered containers. If appropriate, moisten first to prevent dusting. Wash away remainder with plenty of water. Personal protection: particulate filter respirator adapted to the airborne concentration of the substance.
6.2Environmental precautions
Prevent further spillage or leakage if it is safe to do so. Do not let the chemical enter drains. Discharge into the environment must be avoided.
6.3Methods 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
7.1Precautions for safe handling
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.
7.2Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.
SECTION 8: Exposure controls/personal protection
8.1Control parameters
Occupational Exposure limit values
| Component | Tetrasodium pyrophosphate |
| CAS No. | 7722-88-5 |
| Limit value - Eight hours | Limit value - Short term |
| ppm | mg/m3 | ppm | mg/m3 |
| Australia |
| 5 |
|
|
| Austria |
| 5 inhalable aerosol |
| 10 inhalable aerosol |
| Belgium |
| 5 |
|
|
| Canada - Ontario |
| 5 |
|
|
| Canada - Québec |
| 5 |
|
|
| Denmark |
| 5 |
| 10 |
| France |
| 5 |
|
|
| Ireland |
| 5 |
|
|
| New Zealand |
| 5 |
|
|
| Singapore |
| 5 |
|
|
| South Korea |
| 5 |
|
|
| Switzerland |
| 5 inhalable aerosol |
|
|
| USA - NIOSH |
| 5 |
|
|
| United Kingdom |
| 5 |
|
|
| Remarks |
Biological limit values
8.2Appropriate engineering controls
Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.
8.3Individual protection measures, such as personal protective equipment (PPE)
Eye/face protection
Skin protection
Respiratory protection
Use ventilation (not if powder).
Thermal hazards
SECTION 9: Physical and chemical properties and safety characteristics
| Physical state | Solid. Powder. |
| Colour | White. |
| Odour | no data available |
| Melting point/freezing point | 880 °C. |
| Boiling point or initial boiling point and boiling range | 93.8°C |
| Flammability | no data available |
| Lower and upper explosion limit/flammability limit | no data available |
| Flash point | no data available |
| Auto-ignition temperature | no data available |
| Decomposition temperature | no data available |
| pH | no data available |
| Kinematic viscosity | no data available |
| Solubility | In water: 58.5 g/L. Temperature:20 °C. pH:9.9. Remarks:For effect of temperature and pH, see conclusion. |
| Partition coefficient n-octanol/water | no data available |
| Vapour pressure | no data available |
| Density and/or relative density | 2.62. Temperature:21 °C. |
| Relative vapour density | no data available |
| Particle characteristics | no data available |
SECTION 10: Stability and reactivity
10.1Reactivity
10.2Chemical stability
10.3Possibility of hazardous reactions
Decomposes on burning. The solution in water is a weak base.
10.4Conditions to avoid
10.5Incompatible materials
10.6Hazardous decomposition products
SECTION 11: Toxicological information
Acute toxicity
- Oral: no data available
- Inhalation: no data available
- Dermal: LD50 - rabbit (male/female) - > 2 000 mg/kg bw.
Skin corrosion/irritation
Serious eye damage/irritation
Respiratory or skin sensitization
Germ cell mutagenicity
Carcinogenicity
Reproductive toxicity
STOT-single exposure
The substance is irritating to the eyes, skin and respiratory tract.
STOT-repeated exposure
Aspiration hazard
Evaporation at 20°C is negligible; a harmful concentration of airborne particles can, however, be reached quickly , especially if powdered.
SECTION 12: Ecological information
12.1Toxicity
- Toxicity to fish: LC50 - Oncorhynchus mykiss (previous name: Salmo gairdneri) - > 100 mg/L - 96 h. Remarks:Potassium.
- Toxicity to daphnia and other aquatic invertebrates: EC50 - Daphnia magna - > 100 mg/L - 48 h. Remarks:Based on test material purity of 100%.
- Toxicity to algae: EC50 - Desmodesmus subspicatus (previous name: Scenedesmus subspicatus) - > 100 mg/L - 72 h.
- Toxicity to microorganisms: EC50 - activated sludge of a predominantly domestic sewage - > 1 000 mg/L - 3 h. Remarks:Respiration rate.
12.2Persistence and degradability
12.3Bioaccumulative potential
12.4Mobility in soil
12.5Other adverse effects
SECTION 13: Disposal considerations
13.1Disposal 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
14.1UN 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.) |
14.2UN 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.) |
14.3Transport 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.) |
14.4Packing 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.) |
14.5Environmental hazards
| ADR/RID: No | IMDG: No | IATA: No |
14.6Special precautions for user
14.7Transport in bulk according to IMO instruments
SECTION 15: Regulatory information
15.1Safety, health and environmental regulations specific for the product in question
| Chemical name | Common names and synonyms | CAS number | EC number |
| Tetrasodium pyrophosphate | Tetrasodium pyrophosphate | 7722-88-5 | 231-767-1 |
| 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, 2019 |
| Revision Date | July 15, 2019 |
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%
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