Merck 107241 Phenol red indicator ACS 5 gr

Category

Asit Alkali veya pH İndikatörleri

Brand

MERCK

Stock Code

LB.M.107241.0005

Kısa Bilgi

CAS Numbe: 143-74-8 EC Number: 205-609-7 Molar Mass: 354.38 g/mol Chemical Formula: (C₆H₄OH)₂C₇H₄SO₃ Hill Formula: C₁₉H₁₄O₅S Grade: ACS

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CAS Numbe: 143-74-8

3.008,58 TL + VAT

3.610,29 TL

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Merck 107241 Phenol red indicator ACS 5 gr
Catalogue Number	107241
Description	Phenol red

Product Information
CAS number	143-74-8
EC number	205-609-7
Grade	ACS
Hill Formula	C₁₉H₁₄O₅S
Chemical formula	(C₆H₄OH)₂C₇H₄SO₃
Molar Mass	354.38 g/mol
HS Code	2934 99 99
Structure formula Image
Quality Level	MQ200

Physicochemical Information
Melting Point	>300 °C
Bulk density	200 - 300 kg/m3
Solubility	0.77 g/l

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H315: Causes skin irritation. H335: May cause respiratory irritation.
Precautionary Statement(s)	P261: Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray. P264: Wash skin thoroughly after handling. P271: Use only outdoors or in a well-ventilated area. P280: Wear protective gloves. P302 + P352: IF ON SKIN: Wash with plenty of water. P304 + P340 + P312: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER/doctor if you feel unwell.
Signal Word	Warning
RTECS	SJ7490000
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 +5°C to +30°C.

Specifications
Identity (UV/VIS-Spectrum)	passes test
Clarity of solution (1 g/l; ethanol)	passes test
1st transition range	pH 1.2 - pH 3.0 brownish orange - yellow
2nd transition range	pH 6.5 - pH 8.0 brownish yellow - red violet
Absorption maximum λ 1 max. (buffer pH 1,2)	503 - 506 nm
Absorption maximum λ 2 max. (buffer pH 3,0)	430 - 435 nm
Absorption maximum λ 3 max. (buffer pH 6.5)	430 - 435 nm
Absorption maximum λ 4 max. (buffer pH 8,0)	557 - 560 nm
Spec. Absorptivity A 1%/1cm (λ 1 max.; 0.005 g/l; buffer pH 1,2; calc. on dried substances)	900 - 1150
Spec. Absorptivity A 1%/1cm (λ 2 max.; 0.005 g/l; buffer pH 3,0; calc. on dried substances)	550 - 650
Spec. Absorptivity A 1%/1cm (λ 3 max.; 0.005 g/l; buffer pH 6.5; calc. on dried substances)	550 - 650
Spec. Absorptivity A 1%/1cm (λ 4 max.; 0.005 g/l; buffer pH 8,0; calc. on dried substances)	1000 - 1250
Loss on drying (110 °C)	≤ 1
Transition range (according to ACS)	pH 5,8 - pH 8,2 yellow - red

Global Trade Item Number
Catalogue Number	GTIN
1072410005	04022536088822
1072410025	04022536088839
1072410100	04022536088846
1072411000	04022536088853

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