Description | |
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Catalogue Number | 107233 |
Product Information | |
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CAS number | 77-09-8 |
EC index number | 604-076-00-1 |
EC number | 201-004-7 |
Grade | ACS,Reag. Ph Eur |
Hill Formula | C₂₀H₁₄O₄ |
Molar Mass | 318.32 g/mol |
HS Code | 2932 20 10 |
Structure formula Image |
Applications | |
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Application | Phenolphthalein indicator ACS,Reag. Ph Eur. CAS 77-09-8, molar mass 318.32 g/mol. |
Physicochemical Information | |
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Density | 1.296 g/cm3 (20 °C) |
Melting Point | 263.7 °C |
Vapor pressure | <0.00001 Pa (50 °C) |
Bulk density | 350 - 450 kg/m3 |
Solubility | 3.36 mg/l |
Safety Information according to GHS | |
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Hazard Pictogram(s) | |
Hazard Statement(s) | H350: May cause cancer. H341: Suspected of causing genetic defects. H361f: Suspected of damaging fertility. |
Precautionary Statement(s) | P201: Obtain special instructions before use. P260: Do not breathe dust. P308 + P313: IF exposed or concerned: Get medical advice/ attention. |
RTECS | SM8380000 |
Storage class | 6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects |
WGK | WGK 3 highly 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. |
Safety Information | |
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Hazard Symbols | Toxic |
Categories of danger | carcinogenic, toxic for reproduction, mutagenic |
R Phrase | R 45-62-68 May cause cancer.Possible risk of impaired fertility.Possible risk of irreversible effects. |
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). |
Storage and Shipping Information | |
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Storage | Storage temperature: no restrictions. |
Specifications | |
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Identity (UV/VIS-Spectrum) | passes test |
Appearance | White to yellowish white powder |
Clarity of the alkoholic solution (10 g/l ethanol) | passes test |
Absorption maximum λmax. (buffer pH 9.8) | 551 - 554 nm |
Spec. Absorptivity A 1%/1cm (λmax; 0.01 g/l; buffer pH 9.8; calculated on dried substance) | 700 - 750 |
Transition range | pH 8.2 - pH 9.8 almost colorless - red-violet |
Transition range (according to ACS) | passes test |
Transition interval (according Reag. Ph. Eur.) | passes test |
Loss on drying (105 °C) | ≤ 1 % |