Merck 101408 Crystal Violet Indicator (C.I. 42555) - 25 g

Merck 101408 Crystal Violet Indicator (C.I. 42555) - 25 g

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101408.0025
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Analitik Kimyasallar
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Merck
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MERCK 101408 Crystal violet (C.I. 42555) indicator ACS,Reag. Ph Eur. CAS 548-62-9, pH 2.5 - 3.5 (10 g/l, H₂O, 20 °C)

Description
Catalogue Number 101408
Synonyms Hexamethylenepararosaniline chloride, Gentian violet (C.I. 42555), Hexamethyl-p-rosanilinium, Methyl violet 10 B

Merck 101408 Crystal Violet Indicator (C.I. 42555)  - 25 g

Product Information
CAS number 548-62-9
EC index number 612-204-00-2
EC number 208-953-6
Grade ACS,Reag. Ph Eur
Hill Formula C₂₅H₃₀ClN₃
Molar Mass 407.99 g/mol
HS Code 3204 13 00
Structure formula Image

Applications
Application Crystal violet (C.I. 42555) indicator ACS,Reag. Ph Eur. CAS 548-62-9, pH 2.5 - 3.5 (10 g/l, H₂O, 20 °C).

Physicochemical Information
Density 1.19 g/cm3 (20 °C)
Melting Point 189 - 194 °C
pH value 2.5 - 3.5 (10 g/l, H₂O, 20 °C)
Bulk density 220 - 400 kg/m3
Solubility 10 g/l

Toxicological Information
LD 50 oral LD50 Rat 420 mg/kg

Safety Information according to GHS
Hazard Pictogram(s)



Hazard Statement(s) H302: Harmful if swallowed.
H318: Causes serious eye damage.
H351: Suspected of causing cancer.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) P273: Avoid release to the environment.
P280: Wear eye 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.
RTECS BO9000000
Storage class 10 - 13 Other liquids and solids
WGK WGK 3 highly water endangering
Disposal 9
Carcinogenic compounds and flammable compounds labelled "Highly toxic" or "Toxic": container F. Alkyl sulfates are carcinogenic; Take particular care to avoid inhalation and skin contact. To neutralize alkyl sulfates, add dropwise (from a dropping funnel) to concentrated ice-cool Ammonia solution (Cat.No. 105426) with vigorous stirring. Before placing in container D, check the pH with pH Universal indicator strips (Cat.No. 109535).

Safety Information
Hazard Symbols Dangerous for the environment
Harmful
Categories of danger harmful, carcinogenic, irritant, dangerous for the environment
R Phrase R 22-40-41-50/53
Harmful if swallowed.Limited evidence of a carcinogenic effect.Risk of serious damage to eyes.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 26-36/37/39-46-60-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.If swallowed, seek medical advice immediately and show this container or label.This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.

Storage and Shipping Information
Storage Store below +30°C.

Transport Information
Declaration (railroad and road) ADR, RID UN 3077 , 9, III
Declaration (transport by air) IATA-DGR UN 3077 , 9, III
Declaration (transport by sea) IMDG-Code UN 3077 , 9, III, Marine Pollutant: P

Specifications
Dye content (spectrophotometrically; calc. on dried substance) ≥ 90.0 %
Identity (UV/VIS-Spectrum) passes test
Absorbance characteristics (Ratio, E (λmax - 15 nm)/E (λmax +  15 nm)) 0.98 - 1.20
Absorption maximum λmax. (water) 589 - 594 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.002 g/l; water) 2000 - 2450
TLC-Test passes test
Michler`s ketone < 0.10 %
Loss on drying (110 °C, 4 h) ≤ 7.5 %
Suitability as indicator (ACS) passes test
Suitability as indicator (Reag. Ph. Eur.) passes test
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Etiketler :
1.01408 merck crystal violet crystal violet merck crystal violet ci 42555 merck crystal violet ci 42555 kristal viyole merck kristal viyole kristal viyole nedir kristal viyole boyama kristal viyole boyası
Merck 101408 Crystal Violet Indicator (C.I. 42555) - 25 g Merck 101408 Crystal Violet Indicator (C.I. 42555) - 25 g I Merck 101408 Crystal Violet Indicator 25 g ambalaj. CAS 548-62-9, pH 2.5–3.5, titrasyon ve laboratuvar analizleri için orijinal Merck ürünü. 101408.0025
Merck 101408 Crystal Violet Indicator (C.I. 42555) - 25 g

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