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About This Item

UNSPSC Code:
41116107
EC Index Number:
200-752-1
NACRES:
NA.24
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vapor pressure

2.04 hPa ( 20 °C)

Quality Level

product line

Aquastar®

form

liquid

autoignition temp.

300 °C

expl. lim.

1.6-8.0 % (v/v) 1-Pentanol()

reaction suitability

reaction type: water standard for Karl Fischer titration

packaging

glass bottle of 250 mL
pkg of

technique(s)

Karl-Fischer titration: suitable
titration: suitable

bp

138 °C/1013 hPa

mp

-78 °C

transition temp

flash point 49 °C

density

0.82 g/cm3 at 20 °C

format

single component solution

storage temp.

15-25°C

General description

Water standard 5 mg/ml is a liquid water standard based on long-chain alcohol.


In our effort to be more sustainable, we′re going digital with COAs-download them directly from our website. Download your certificate at http://www.sigma-aldrich.com to view certified values, including uncertainty and expiry date.

Application

The 5mg/ml water standard can be used as an analytical standard for daily titer control.

Analysis Note

Assay: 4.980 - 5.020 mg/ml

Legal Information

AQUASTAR is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

120.2 °F

Flash Point(C)

49 °C


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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