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1. Identification of the substance/preparation and of the company/undertaking |
Identification of the product | ||
Catalogue No.: | 100160 | |
Product name: | Boric acid cryst. extra pure Ph Eur,BP,NF |
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 |
CAS-No.: | 10043-35-3 | EC-Index-No.: | - | ||
Molar mass: | 61.83 | EINECS-No.: | 233-139-2 | ||
Molecular formula: | H3BO3 |
3. Hazards identification |
According to the evaluative data available, a classification according to categories of danger as specified in Directive 67/548/EEC and laid down in the legislation of the country concerned is not required. |
4. First aid measures |
After inhalation: fresh air. After skin contact: wash off with plenty of water. After eye contact: rinse out with plenty of water with the eyelid held wide open. Summon eye specialist if necessary. After swallowing: make victim drink plenty of water, induce vomiting. Summon doctor if feeling unwell. |
5. Fire-fighting measures |
Suitable extinguishing media: |
In adaption to materials stored in the immediate neighbourhood. |
Special risks: |
none |
Other information: |
Non-combustible. |
6. Accidental release measures |
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. |
8. Exposure controls/personal protection |
Personal protective equipment: | |
Respiratory protection: | required when dusts are generated. |
Eye protection: | required |
Hand protection: | not required |
Industrial hygiene: | Change contaminated clothing. Wash hands after working with substance. |
9. Physical and chemical properties |
Form: | solid | |||
Colour: | white | |||
Odour: | odourless | |||
pH value | ||||
at 30 g/l water | (20 ฐC) | ประมาณ 4 | ||
Melting temperature | 185 ฐC | |||
Boiling temperature | not available | |||
Ignition temperature | not available | |||
Flash point | not available | |||
Explosion limits | lower | not available | ||
upper | not available | |||
Density | (20 ฐC) | 1.44 g/cm3 | ||
Solubility in | water | (21 ฐC) | 50 g/l | |
water | (100 ฐC) | 390 g/l |
10. Stability and reactivity |
Conditions to be avoided |
no information available |
Substances to be avoided |
anhydrides / heat |
Hazardous decomposition products |
no information available |
11. Toxicological information |
Acute toxicity |
LD50 (oral, rat): 2660 mg/kg |
Subacute to chronic toxicity |
NTP evaluation for carcinogenicity: negative in animals. |
Further toxicological information |
After eye contact: Irritations. After swallowing: Possible symptoms: nausea , vomiting , diarrhoea After absorption of large quantities: agitation, spasms , tiredness , ataxia (impaired locomotor coordination) , drop in temperature |
12. Ecological information |
Ecotoxic effects: Biological effects: Toxic for aquatic organisms 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 . Further ecologic data: No ecological problems are to be expected when the product is handled and used with due care and attention. |
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 | ||
R-phrases: | --- | |
S-phrases: | --- |
German regulations | ||
Water pollution class | 1 | (slightly polluting substance) |
16. Other information |
Reason for alteration |
General update. |