106309
di-Sodium tetraborate
anhydrous 99.99 Suprapur®
For general questions please contact our Customer Service:
Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Phone: +49 6151 72-0
Fax: +49 6151 72 2000
20 June 2013
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| Product information | |||
|---|---|---|---|
| Synonyms | Borax | ||
| Hill Formula | B4Na2O7 | ||
| Chemical formula | Na2B4O7 | ||
| HS Code | 2840 11 00 | ||
| EC number | 215-540-4 | ||
| Molar mass | 201.21 g/mol | ||
| EC index number | 005-011-00-4 | ||
| CAS number | 1330-43-4 | ||
| Chemical and physical data | |||
|---|---|---|---|
| Solubility | 25.6 g/l (20 °C) | ||
| Melting point | 742 °C | ||
| Molar mass | 201.21 g/mol | ||
| Density | 2.37 g/cm3 (20 °C) | ||
| Bulk density | 700 kg/m3 | ||
| pH value | 9.2 (25 g/l, H2O, 20 °C) | ||
| Boiling point | 1575 °C (decomposition) | ||
| Vapor pressure | 7.3 hPa (1200 °C) | ||
| Safety information according to GHS | |||
|---|---|---|---|
| Hazard Statement(s) |
H360FD: May damage fertility. May damage the unborn child. |
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| Precautionary Statement(s) |
P201: Obtain special instructions before use. P308 + P313: IF exposed or concerned: Get medical advice/ attention. |
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| Signal Word | Danger | ||
| Hazard Pictogram(s) |
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| RTECS | ED4588000 | ||
| Storage class | 6.1 D Non combustible, acute toxicity cat. 3 / toxic or substances with chronic effects | ||
| WGK | WGK 1 slightly water endangering | ||
| Disposal |
3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
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| Safety information | |||
|---|---|---|---|
| R Phrase |
R 60-61 May impair fertility.May cause harm to the unborn child. |
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| S Phrase |
S 53-45 Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). |
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| Categories of danger | toxic for reproduction | ||
| Hazard Symbol |
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| Toxicological data | |||
|---|---|---|---|
| LD 50 oral | LD50 rat 1200 mg/kg | ||
| LD 50 dermal | LD50 rabbit > 2000 mg/kg | ||



