Merck 107233 0100 Phenolphthalein indicator Ph 8,2 - 9,8 (S. Nr. 879) Acs 100 GR.

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Description
Catalogue Number	107233

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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	318.33 g/mol
HS Code	2932 20 00
Structure formula Image
Quality Level	MQ200

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Physicochemical Information
Density	1.27 g/cm3 (32 °C)
Melting Point	263.7 °C
Vapor pressure	<0.1 hPa (50 °C)
Bulk density	350 - 450 kg/m3
Solubility	3.36 mg/l

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Safety Information according to GHS
Hazard Pictogram(s)	\n\n
Hazard Statement(s)	H315: Causes skin irritation.\nH341: Suspected of causing genetic defects.\nH350: May cause cancer.\nH361f: Suspected of damaging fertility.
Precautionary Statement(s)	P202: Do not handle until all safety precautions have been read and understood.\nP264: Wash skin thoroughly after handling.\nP280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.\nP302 + P352: IF ON SKIN: Wash with plenty of water.\nP308 + P313: IF exposed or concerned: Get medical advice/ attention.\nP332 + P313: If skin irritation occurs: Get medical advice/ attention.\nP405: Store locked up.\nP501: Dispose of contents/ container to an approved waste disposal plant.
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\nRelatively 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
Categories of danger	carcinogenic, toxic for reproduction, mutagenic

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Storage and Shipping Information
Storage	Store at +2°C to +30°C.

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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 %