Merck مرک استیک اسید

Catalogue Number

100056

Synonyms

Ethanoic acid

CAS number

64-19-7

EC index number

607-002-00-6

EC number

200-580-7

Grade

Ph Eur,BP,JP,USP,E 260

Hill Formula

C₂H₄O₂

Chemical formula

CH₃COOH

Molar Mass

60.05 g/mol

HS Code

2915 21 00

Structure formula Image

Boiling point

116 - 118 °C (1013 hPa)

Density

1.05 g/cm3 (20 °C)

Explosion limit

4 - 19.9 %(V)

Flash point

39 °C

Ignition temperature

485 °C

Melting Point

17 °C

pH value

2.5 (50 g/l, H₂O, 20 °C)

Vapor pressure

15.4 hPa (20 °C)

Viscosity kinematic

1.17 mm2/s (20 °C)

Solubility

602.9 g/l soluble

LD 50 oral

LD50 Rat 3310 mg/kg

Hazard Pictogram(s)

Hazard Statement(s)

H226: Flammable liquid and vapour.
H290: May be corrosive to metals.
H314: Causes severe skin burns and eye damage.

Precautionary Statement(s)

P210: Keep away from heat.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Merck 100056.2500 Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.

RTECS

AF1225000

Storage class

3 Flammable liquids

WGK

WGK 1 slightly water endangering

Disposal

4
Liquid organic acids or solutions should be diluted, if necessary, and carefully neutralized with sodium hydrogen carbonate merck 100056.2500 (Cat. No. 106323) or with sodium hydroxide (Cat. No 106462). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535).

Hazard Symbols

Corrosive
 

Categories of danger

flammable, corrosive

R Phrase

R 10-35
Flammable.Causes severe burns.

S Phrase

S 23-26-45
Do not breathe vapour.In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Merck 100056.2500 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).

Storage

Store at +15°C to +25°C.

Declaration (railroad and road) ADR, RID

UN 2789 , 8 (3), II

Declaration (transport by air) IATA-DGR

UN 2789 , 8 (3), II

Declaration (transport by sea) IMDG-Code

UN 2789 , 8 (3), II, Segregation Group: 1 (Acids)

Assay (alkalimetric)

99.8 - 100.5 %

Identity

passes test

Appearance of the substance

passes test

Solidification temperature

≥ 15.6 °C

Foreign organic substances

passes test

Formic acid, Formates and other oxidable impurities (as HCOOH)

≤ 0.10 %

Heavy metals (as Pb)

≤ 0.0005 %

Chloride (Cl)

≤ 0.0002 %

Sulphate (SO₄)

≤ 0.0005 %

Al (Aluminium)

≤ 0.00005 %

As (Arsenic)

≤ 0.00010 %

Cu (Copper)

≤ 0.0005 %

Fe (Iron)

≤ 0.0005 %

Hg (Mercury)

≤ 0.00010 %

Pb (Lead)

≤ 0.00005 %

Zn (Zinc)

≤ 0.0005 %

Other residual solvents (ICH Q3C)

...excluded by production process

Reducing substances (Ph Eur)

passes test

Substances reducing potassium permanganate

passes test

Evaporation residue

≤ 0.005 %

Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities) merck100056.2500. Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).

Corresponds to Ph Eur, BP, JP, USP, E260
Conforms to the purity criteria on food additives according to the current European Commission Regulation.