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Merck
CN

RTC000103

Dimethyl Sulfoxide

Pharmaceutical Secondary Standard; Certified Reference Material

Synonym(s):

Dimethyl sulfoxide, DMSO

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About This Item

Linear Formula:
(CH3)2SO
CAS Number:
67-68-5
Molecular Weight:
78.13
UNSPSC Code:
41116107
Beilstein/REAXYS Number:
506008
MDL number:
MFCD00002089

Key Documents

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InChI

1S/C2H6OS/c1-4(2)3/h1-2H3

SMILES string

CS(C)=O

InChI key

IAZDPXIOMUYVGZ-UHFFFAOYSA-N

grade

certified reference material, pharmaceutical secondary standard

agency

traceable to USP 1211006

Quality Level

300

vapor pressure

0.42 mmHg ( 20 °C)

CofA

current certificate can be downloaded

autoignition temp.

573 °F

expl. lim.

42 %, 63 °F

packaging

pkg of 20 mL

density

1.10 g/mL (lit.)

application(s)

pharmaceutical small molecule

storage temp.

2-8°C

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General description

Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards

Analysis Note

These secondary standards offer multi-traceability to the USP and EP primary standards, where they are available.

Other Notes

Find a digital Reference Material for this product available on our online platform ChemisTwin® for NMR. You can use this digital equivalent on ChemisTwin® for your sample identity confirmation and compound quantification (with digital external standard). An NMR spectrum of this substance can be viewed and an online comparison against your sample can be performed with a few mouseclicks. Learn more here and start your free trial.
This Certified Reference Material (CRM) is produced and certified in accordance with ISO 17034 and ISO/IEC 17025. All information regarding the use of this CRM can be found on the certificate of analysis.
To see an example of a Certificate of Analysis for this material enter LRAB9777 in the Documents slot below. This is an example certificate only and may not be the lot that you receive.

Disclaimer

Supercools easily and remelts slowly at room temperature. Solidified product can be re-liquified by warming to room temperature without detriment to the product.

Storage Class

10 - Combustible liquids

wgk

WGK 1

flash_point_f

188.6 °F

flash_point_c

87 °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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