Merck 108176 Thymol blue indicator ACS, Reag. Ph Eur 25 gr

Category

Asit Alkali veya pH İndikatörleri

Brand

MERCK

Stock Code

LB.M.108176.0025

Sepete Ekle

Teklif Sepetine Ekle

Merck 108176 Thymol blue indicator ACS, Reag. Ph Eur 25 gr
Catalogue Number	108176
Synonyms	Thymolsulfonphthalein

Merck 108176 Thymol blue indicator ACS, Reag. Ph Eur 5 gr

Product Information
CAS number	76-61-9
EC number	200-973-3
Grade	ACS,Reag. Ph Eur
Hill Formula	C₂₇H₃₀O₅S
Molar Mass	466.60 g/mol
HS Code	2934 99 90
Structure formula Image
Quality Level	MQ200

Physicochemical Information
Density	0.979 g/cm3
Melting Point	221 °C (decomposition)
Bulk density	350 kg/m3
Solubility	0.11 g/l

Safety Information according to GHS
Storage class	10 - 13 Other liquids and solids
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.

Storage and Shipping Information
Storage	Store at +15 °C to +25 °C.

Specifications
Clarity of solution (1 g/l; ethanol)	passes test
Identity (UV/VIS-Spectrum)	passes test
1st transition range	pH 1.2 - pH 2.8 violet red - brownish yellow
2nd transition range	pH 7.8 - pH 9.5 greenish yellow - blue
Absorption maximum λ 1 max. (buffer pH 1,2)	543 - 547 nm
Absorption maximum λ 2 max. (buffer pH 2,8)	431 - 437 nm
Absorption maximum λ 3 max. (buffer pH 7.8)	431 - 437 nm
Absorption maximum λ 4 max. (buffer pH 9.5)	594 - 598 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.01 g/l; buffer pH 1,2; calc. on dried substances)	600 - 720
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.01 g/l; buffer pH 2,8; calc. on dried substances)	250 - 370
Spec. Absorptivity A 1%/1cm (λ 3 max.; 0.01 g/l; buffer pH 7.8; calc. on dried substances)	250 - 370
Spec. Absorptivity A 1%/1cm (λ 4 max.; 0.01 g/l; buffer pH 9.5; calc. on dried substances)	580 - 700
Loss on drying (110 °C)	≤ 3 %
Transition range (according to ACS)	passes test
Sensitivity test	passes test

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Merck Merck kimyasalları Merck türkiye Merck millipore Merck millipore türkiye Merck indikatör Indikatörler Merck kimyasalları satış Merck kimyasal merck kimyasal analiz sertifikaları

Merck 108176 Thymol blue indicator ACS, Reag. Ph Eur 25 gr

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