Tetrahydrofuran
SIAL/RTC000088 - Pharmaceutical Secondary Standard; Certified Reference Material
Synonym: Tetrahydrofuran; Butylene oxide; Oxolane; Tetramethylene oxide
CAS Number: 109-99-9
Empirical Formula (Hill Notation): C4H8O
Molecular Weight: 72.11
MDL Number: MFCD00005356
Linear Formula: C4H8O
Product Type: Chemical
agency | traceable to USP 1601770 |
autoignition temp. | 610 °F |
bp | 65-67 °C (lit.) |
CofA | current certificate can be downloaded |
density | 0.889 g/mL at 25 °C (lit.) |
expl. lim. | 1.8-11.8 % |
grade | certified reference material |
pharmaceutical secondary standard | |
InChI | 1S/C4H8O/c1-2-4-5-3-1/h1- |
InChI key | WYURNTSHIVDZCO-UHFFFAOYSA |
mp | −108 °C (lit.) |
packaging | pkg of 20 mL |
Quality Level | 300 ![]() |
refractive index | n |
SMILES string | C1CCOC1 |
storage temp. | 2-30°C |
vapor density | 2.5 (vs air) |
vapor pressure | 114 mmHg ( 15 °C) |
143 mmHg ( 20 °C) |
Analysis Note: | These secondary standards offer multi-traceability to the USP, EP and BP primary standards, where they are available. |
Footnote: | To see an example of a Certificate of Analysis for this material enter LRAB9802 in the Documents slot below. This is an example certificate only and may not be the lot that you receive. |
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 |
Other Notes: | 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. |
Symbol | ![]() ![]() ![]() |
Signal word | Danger |
Hazard statements | H225 - H302 - H319 - H335 - H336 - H351 |
Precautionary statements | P201 - P202 - P210 - P301 + P312 - P305 + P351 + P338 - P308 + P313 |
WGK Germany | WGK 1 |
Flash Point(F) | -6.2 °F |
Flash Point(C) | -21.2 °C |
Supplemental Hazard Statements | EUH018 - EUH019 |
bp | 65-67 °C (lit.) |
mp | −108 °C (lit.) |
Density | 0.889 g/mL at 25 °C (lit.) |
Refractive Index | n |
Storage Temp. | 2-30°C |
UNSPSC | 41116107 |