822278
Acetic anhydride
for synthesis
Genel sorular için lütfen Müşteri Hizmetleri ile iletişime giçin:
Merck KGaA
Frankfurter Str. 250
64293 Darmstadt
Germany
Telefon: +49 6151 72-0
Faks: +49 6151 72 2000
03 Haziran 2012
yükleniyor
| Ürün bilgisi | |||
|---|---|---|---|
| Hill Formula | C4H6O3 | ||
| Chemical formula | (CH3CO)2O | ||
| HS Code | 2915 24 00 | ||
| EC number | 203-564-8 | ||
| Molar mass | 102.08 g/mol | ||
| EC index number | 607-008-00-9 | ||
| CAS number | 108-24-7 | ||
| Kimyasal ve fiziksel veri | |||
|---|---|---|---|
| Ignition temperature | 330 °C | ||
| Solubility | (20 °C) Hydrolysis,Risk of violent reaction. | ||
| Melting point | -73 °C | ||
| Molar mass | 102.08 g/mol | ||
| Density | 1.08 g/cm3 (20 °C) | ||
| pH value | 3 (10 g/l, H2O, 20 °C) | ||
| Boiling point | 138 - 140.5 °C (1013 hPa) | ||
| Vapor pressure | 4 hPa (20 °C) | ||
| Explosion limit | 2.0 - 10.2 %(V) | ||
| Flash point | 49 °C | ||
| GHS'e göre güvenlik bilgisi | |||
|---|---|---|---|
| Hazard Statement(s) |
H226: Flammable liquid and vapour. H332: Harmful if inhaled. H302: Harmful if swallowed. H314: Causes severe skin burns and eye damage. H335: May cause respiratory irritation. |
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| Precautionary Statement(s) |
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection. P301 + P330 + P331: IF SWALLOWED: rinse mouth. Do NOT induce vomiting. P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. |
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| Signal Word | Danger | ||
| Hazard Pictogram(s) |
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| Storage class | 3 Flammable liquids | ||
| WGK | WGK 1 slightly water endangering | ||
| Disposal |
11 Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A. |
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| Güvenlik bilgisi | |||
|---|---|---|---|
| R Phrase |
R 10-20/22-34 Flammable.Harmful by inhalation and if swallowed.Causes burns. |
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| S Phrase |
S 26-36/37/39-45 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.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 | flammable, harmful, corrosive | ||
| Hazard Symbol |
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| Nakliye bilgisi | |||
|---|---|---|---|
| Declaration (railroad and road) ADR, RID | UN 1715 Essigsäureanhydrid, 8 (3), II | ||
| Declaration (transport by sea) IMDG-Code | UN 1715 ACETIC ANHYDRIDE, 8 (3), II, Segregation Group: 1 (Acids) | ||
| Declaration (transport by air) IATA-DGR | UN 1715 ACETIC ANHYDRIDE, 8 (3), II | ||
| Toksikolojik veri | |||
|---|---|---|---|
| LD 50 oral | LD50 rat 1780 mg/kg | ||
| LD 50 dermal | LD50 rabbit 4320 mg/kg | ||
