1.02407
di-Sodium oxalate
volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP
別名:
di-Sodium oxalate, Oxalic acid sodium salt
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この商品について
実験式（ヒル表記法）:
C2Na2O4
CAS番号:
分子量:
134.00
UNSPSC Code:
41116107
EC Index Number:
200-550-3
NACRES:
NA.24
MDL number:
eCl@ss:
25140904
Quality Segment
agency
ISO 17025, reag. USP
form
solid
potency
375 mg/kg LD50, oral (Rat)
technique(s)
titration: suitable
pH
8 (20 °C, 30 g/L in H2O)
mp
250-270 °C (decomposition)
density
2.27 g/cm3 at 20 °C
bulk density
600 kg/m3
application(s)
cosmetics
food and beverages
storage temp.
15-25°C
SMILES string
[Na+].[Na+].[O-]C(=O)C(=O)[O-]
InChI
1S/C2H2O4.2Na/c3-1(4)2(5)6;;/h(H,3,4)(H,5,6);;/q;2*+1/p-2
InChI key
ZNCPFRVNHGOPAG-UHFFFAOYSA-L
General description
Di-sodium oxalate is a volumetric standard manufactured under stringent conditions and measured with the highest possible precision. Its mass fraction is determined by potentiometric titration, and it is qualified in a DIN EN ISO/IEC 17025 accredited laboratory.
Please visit ISO certificates and Site Quality Self-Assessments to access the current certificates of accreditation.
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.
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
It is used as a certified reference material (CRM) for titer determinations in redox titrations, according to reagents chapters of USP and Ph. Eur.
Features and Benefits
- Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
- Certified reference material according to ISO 17034
- High-purity material traceable to NIST standard reference materials
- Qualified in a DIN EN ISO/IEC 17025 accredited laboratory
- In accordance with the chapter reagents of USP and Ph. Eur
- High-quality offering accurate titer determinations
Packaging
SKU-pack size numbers ending with a "3" are SmartChemicals with an RFID tag on the label for seamless data transfer to the instrument, e.g. xxxxxx1003 or xxxxxxx 4003. More information on www.sigmaaldrich.com/SmartChemicals
Legal Information
CERTIPUR is a registered trademark of Merck KGaA, Darmstadt, Germany
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注意喚起語
Warning
ハザードコード
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Oral
保管分類
11 - Combustible Solids
一体何が起きているの？
WGK 1
引火点 (F)
Not applicable
引火点（°C）
Not applicable
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
Deleterious substance
pdsc
Substances Subject to be Indicated Names
ishl_indicated
Substances Subject to be Notified Names
ishl_notified