Sigma-Aldrich
Imidazole 99% Titration Crystalline 250 grams
- Part Number:
- MIL-I0250-250G
- Lead Time:
- 2-4 weeks
- Shipping:
- FREE SHIPPING on most orders over $50*
- Quantity:
- each
- Size:
- 250 grams
- Style:
- chemical
- DOT Rated:
- HazMat Transport Fee Required
Bulk discount rates
Automatically save when you buy in bulk.
| Buy 6 - 11 | and get 10% off |
| Buy 12 or above | and get 15% off |
Description
Imidazole ≥99% Titration Crystalline 250 Gram
Synonym: 1,3-Diaza-2,4-cyclopentadiene, Glyoxaline
- CAS Number 288-32-4
- Empirical Formula (Hill Notation) C3H4N2
- Molecular Weight 68.08
- Beilstein/REAXYS Number 103853
- EC Number 206-019-2
- MDL number MFCD00005183
- eCl@ss 39161001
- PubChem Substance ID 24895898
- NACRES NA.25
| vapor pressure | |
| assay | ≥99% (titration) |
| form | crystalline |
| impurities | ≤0.005% Fluorescence blank (β-NADH equivalence.) |
| color | white |
| pH | 6.2-7.8 (25 °C) |
| pKa (25 °C) | 6.95 |
| bp | 256 °C (lit.) |
| mp | 88-91 °C (lit.) |
| SMILES string | c1c[nH]cn1 |
| InChI | 1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5) |
| InChI key | RAXXELZNTBOGNW-UHFFFAOYSA-N |
Application
Excellent for buffers in the range of pH 6.2-7.8
GHS05, GHS07, GHS08
Signal word Danger
Hazard statements H302-H314-H360D
Precautionary statements P201-P260-P280-P303 + P361 + P353-P305 + P351 + P338-P308 + P313
Personal Protective Equipment Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
RIDADR UN 3263 8 / PGIII
WGK Germany 2
RTECS NI3325000
Flash Point(F) 293 °F
Flash Point(C) 145 °C
Documents
Warnings
Note: These chemicals are for research & laboratory use only. Your order will not be processed if you do not work for, and ship to, a registered laboratory or research facility. Not for topical applications. An official Declaration of Use form may be required.
Most chemicals cannot be expedited.
This item has a Haz-Mat shipping fee built into the price. Fee is applicable only to the first item purchased. Additional HazMat items will be discounted automatically in the shopping cart. HazMat items always require special DOT handling and in rare cases may incur additional fees not levied prior to checkout. Request a quote for the most accurate pricing.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. Prop 65 Warning
Please note: This product is not returnable.