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Viscosity standard, Specpure™, nominally 30cSt at 40° and 5.3cSt at 100°
Description
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications
Specifications
CAS | 8042-47-5 |
Quantity | 500 mL |
Odor | Odorless |
Flash Point | >110°C (230°F) |
Molecular Formula | C16H10N2Na2O7S2 |
MDL Number | MFCD00084411 |
Physical Form | Liquid |
Color | Colorless |
InChI Key | AEOVEGJBKQQFOP-DDVLFWKVSA-L |
SMILES | C1=CC=C(C=C1)NN=C2C(=O)C=CC3=CC(=CC(=C32)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+] |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
1535574 | Certificate of Analysis | 11/03/2025 | 045340.AP |
1507859 | Certificate of Analysis | 19/11/2024 | 045340.AP |
1502188 | Certificate of Analysis | 19/11/2024 | 045340.AP |
1493478 | Certificate of Analysis | 15/10/2024 | 045340.AP |
1477599 | Certificate of Analysis | 12/08/2024 | 045340.AP |
Safety and Handling

- Viscosity standard, Specpure
- Danger
- Aspiration toxicity Category 1
- H304-May be fatal if swallowed and enters airways.
- P301+P310-IF SWALLOWED: Immediately call a POISON CENTER/doctor /
- P331-Do NOT induce vomiting.
- MIXTURE LIST-Contains : White mineral oil, petroleum
RUO – Research Use Only
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