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1. Identification of the substance/preparation and of the company/undertaking |
Identification of the product | ||
Catalogue No.: | 159344 | |
Product name: | Sodium tetraborate Reag. Ph Eur |
Manufacturer/supplier identification | ||
Company: |
Merck Ltd. 9th Floor, Monterey Tower, 2170 New Petchburi Road, Bangkapi, Huaykwang, Bangkok 10320 Tel: (662) 308 - 0218 |
2. Composition/information on ingredients |
Synonyms |
Borax ; Sodium biborate decahydrate ; Sodium borate decahydrate |
CAS-No.: | 1303-96-4 | EC-Index-No.: | - | ||
Molar mass: | - | EINECS-No.: | 215-540-4 | ||
Molecular formula: | B4Na2O7 * 10H2O |
3. Hazards identification |
Harmful if swallowed. |
4. First aid measures |
After inhalation: fresh air. After skin contact: wash off with plenty of water. Remove contaminated clothing. After eye contact: rinse out with plenty of water with the eyelid held wide open. After swallowing: make victim drink plenty of water, induce vomiting, summon doctor. |
5. Fire-fighting measures |
Suitable extinguishing media: |
Water, CO2, foam, powder. |
Special risks: |
none |
Other information: |
Non-combustible. |
6. Accidental release measures |
Person-related precautionary measures: Avoid generation of dusts; do not inhale dusts. Procedures for cleaning / absorption: Take up dry. Forward for disposal. Clean up affected area. |
7. Handling and storage |
Handling: |
No further requirements. |
Storage: |
Tightly closed. Dry. Storage temperature: no restrictions. |
8. Exposure controls/personal protection |
Personal protective equipment: | |
Respiratory protection: | required when dusts are generated. |
Eye protection: | required |
Hand protection: | required |
Industrial hygiene: | Change contaminated clothing. Wash hands after working with substance. |
9. Physical and chemical properties |
pH value | ||||
at 40 g/l water | (20 °C) | ~ 9 - 10 | ||
Melting temperature | not available | |||
Boiling temperature | not available | |||
Ignition temperature | not available | |||
Flash point | not available | |||
Explosion limits | lower | not available | ||
upper | not available | |||
Solubility in | not available |
10. Stability and reactivity |
Conditions to be avoided |
Strong heating. |
Substances to be avoided |
no information available |
Hazardous decomposition products |
no information available |
11. Toxicological information |
Acute toxicity |
LD50 (oral, rat): 2660 mg/kg ; LDLo (oral, human): 709 mg/kg ; |
Further toxicological information |
After skin contact: absorption After swallowing: Rapid absorption. Absorption via: gastrointestinal tract , skin , mucous membranes The following applies to boron compounds in general: resorption is followed by nausea and vomiting, agitation, spasms, CNS disorders, cardiovascular disorders. |
Further data |
Further hazardous properties cannot be excluded. The product should be handled with the care usual when dealing with chemicals. |
12. Ecological information |
Behavior in environmental compartments: Evaluation number (FRG) (bacteria): 2.9 (unhydrous substance) ; Evaluation number (FRG) (fish): 3.1 (unhydrous substance) ; Evaluation number (FRG) (mammal): 3 (unhydrous substance) ; Ecotoxic effects: Biological effects: Herbicidal effect. Fish toxicity: fish LC50: 807 mg/l (unhydrous substance) Further ecologic data: Trace element. Fertilizing effect possible. The following applies to boron compounds in general: biological effects: boric acid developing as a result of hydrolysis toxic for aquatic organisms; fish: Gambusia affinis 96 h. LC50: 5600 mg/l; 24 h. LC50:1800 mg/l; plants: as toxic from 1 mg/l . Do not allow to enter waters, waste water, or soil! |
13. Disposal considerations |
Product: |
There are no uniform EC Regulations for the disposal of chemicals or residues. Chemical residues generally count as special waste. The disposal of the latter is regulated in the EC member countries through corresponding laws and regulations. We recommend that you contact either the authorities in charge or approved waste disposal companies which will advise you on how to dispose of special waste. |
Packaging: |
Disposal in compliance with official regulations. Handle contaminated packaging in the same way as the substance itself. If not officially specified differently, non-contaminated packaging may be treated like household waste or recycled. |
14. Transport information |
Not subject to transport regulations. |
15. Regulatory information |
Labelling according to EC Directives | ||
Symbol: | Xn | Harmful immediately and show this container or label. |
R-phrases: | R 22 | Harmful if swallowed. |
S-phrases: | --- |
German regulations | ||
Water pollution class | 1 | (slightly polluting substance) |
16. Other information |
Reason for alteration |
General update. Addition in the chapter ecology. Addition in the chapter toxicology. |