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

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 Statement(s)

H315: Causes skin irritation.

H341: Suspected of causing genetic defects.

H350: May cause cancer.

H361f: Suspected of damaging fertility.

Precautionary Statement(s)

P202: Do not handle until all safety precautions have been read and understood.

P264: Wash skin thoroughly after handling.

P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.

P302 + P352: IF ON SKIN: Wash with plenty of water.

P308 + P313: IF exposed or concerned: Get medical advice/ attention.

P332 + P313: If skin irritation occurs: 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

6.1C Combustible, acute toxic Cat.3 / toxic compounds or compounds which 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 %