Phenolphthalein indicator pH 8.2-9.8 ACS

ürün Kodu : 107233.0025

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Ürün Grubu : Merck Kimyasalları

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Description
Catalogue Number 107233
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 10
Structure formula Image Structure formula Image
Quality Level MQ200
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
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Statement(s) H341: Suspected of causing genetic defects.
H350: May cause cancer.
H361f: Suspected of damaging fertility.
Precautionary Statement(s) P201: Obtain special instructions before use.
P202: Do not handle until all safety precautions have been read and understood.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
P405: Store locked up.
P501: Dispose of contents/ container to an approved waste disposal plant.
Signal Word Danger
RTECS SM8380000
Storage class 6.1D Non-combustible, acute toxic Cat.3 / toxic hazardous materials or hazardous materials 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
Categories of danger carcinogenic, toxic for reproduction, mutagenic
Storage and Shipping Information
Storage Store at +2°C to +30°C.
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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