MERCK 103168.0025 Eriochrome Blue - Black B Metal İndicator CAS No.3564-14-5

Key Spec Table

CAS #	EC Number	Hill Formula	Molar Mass
3564-14-5	222-639-6	C₂₀H₁₃N₂NaO₅S	416.39 g/mol

Add To My Favorites

Product has been Added to My Favorites

OK

Pricing & Availability

An invalid quantity was specified. The product quantity has been adjusted.

Catalogue Number	Availability	Packaging	Qty/Pack	Price	Quantity
1031680025	Retrieving availability... — Limited Availability In Stock Discontinued Limited Quantities AvailableAvailability to be confirmedLogin to See Inventory In Stock Limited Availability In Stock Remaining : Will advise Remaining : Will adviseWill adviseContact Customer ServiceContact Customer ServiceContact Customer ServiceContact Customer Service	Glass bottle	25 g	Retrieving price...Price could not be retrievedMinimum Quantity is a multiple of Maximum Quantity is Upon Order Completion More InformationYou Saved () —Request Pricing Login to See Your Pricing	Check Availability—	Add To FavoritesAdd To Favorites Added To My Favorites

Add To CartThe quantity field is empty. Please enter a quantity of 1 or more to add items to your cart.

Description
Catalogue Number	103168
Synonyms	2-Hydroxy-1-(1-hydroxy-2-naphthylazo)-naphthalene-4-sulfonic acid sodium salt

Product Information
CAS number	3564-14-5
EC number	222-639-6
Hill Formula	C₂₀H₁₃N₂NaO₅S
Molar Mass	416.39 g/mol
HS Code	3212 90 90
Structure formula Image
Quality Level	MQ200

Physicochemical Information
pH value	9.5 (10 g/l, H₂O, 20 °C)
Bulk density	540 kg/m3
Solubility	20 g/l

Toxicological Information
LD 50 oral	LD50 Rat > 5000 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)
Hazard Statement(s)	H319: Causes serious eye irritation.
Precautionary Statement(s)	P264: Wash skin thoroughly after handling.P280: Wear eye protection/ face protection.P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.P337 + P313: If eye irritation persists: Get medical advice/ attention.
Signal Word	Warning
RTECS	QK2195000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 3 highly hazardous to water
Disposal	3Relatively 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	irritant

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

Specifications
Identity (UV/VIS-Spectrum)	passes test
Absorption maximum λmax. (buffer pH 10.0)	634 - 644 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.025 g/l; buffer pH 10.0; calculated on anhydrous substance)	220 - 320
Loss on drying (110 °C)	≤ 10 %
Suitability as indicator (for metal titration)	passes test