• Phenolphthalein

  • Grade: ACS,Reag. Ph Eur ; Hill Formula: C₂₀H₁₄O₄ ; Molar Mass: 318.32 g/mol ;
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Physicochemical Information

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

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.

Signal Word

Danger

RTECS

SM8380000

Storage class

6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 3 highly hazardous to water

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

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

Storage

Storage temperature: no restrictions.

Specifications

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 %

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