Product Information
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
Application	Phenolphthalein indicator ACS,Reag. Ph Eur. CAS 77-09-8, molar mass 318.32 g/mol.

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 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
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 %

Taksit Seçenekleri

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MERCK 107233 Phenolphthalein indicator ACS,Reag. Ph Eur. CAS 77-09-8, molar mass 318.32 g/mol

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