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1.09259

Water standard 5 mg/ml

(1 ml contains 5 mg H2O) Aquastar®

Synonym(s):

Aquastar® Water Standard 5 mg/ml

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About This Item

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

2.04 hPa ( 20 °C)

Quality Level

100

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 https://www.sigmaaldrich.com/US/en/documents-search 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

signalword

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

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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