1,2-Dihydroxybenzene
SIAL/135011 - ReagentPlus®, ≥99%
Synonym: Pyrocatechol; 1,2-Benzenediol; 1,2-Dihydroxybenzene; 2-Hydroxyphenol; Catechol
CAS Number: 120-80-9
Empirical Formula (Hill Notation): C6H6O2
Molecular Weight: 110.11
EC Number: 204-427-5
MDL Number: MFCD00002188
Linear Formula: C6H4-1,2-(OH)2
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 135011-500G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 135011-100G
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 135011-5G
| assay | ≥99% |
| bp | 245 °C (lit.) |
| form | solid |
| InChI | 1S/C6H6O2/c7-5-3-1-2-4-6( |
| InChI key | YCIMNLLNPGFGHC-UHFFFAOYSA |
| mp | 100-103 °C (lit.) |
| product line | ReagentPlus® |
| Quality Level | 200  |
| SMILES string | Oc1ccccc1O |
| vapor density | 3.8 (vs air) |
| vapor pressure | 1 mmHg ( 75 °C) |
| 10 mmHg ( 118.3 °C) |
| Application: | 1,2-Dihydroxybenzene may be used as raw material for the industrial synthesis of rubber, dyes, plastics, pharmaceuticals and cosmetics. 1,2-Dihydroxybenzene in combination with amberlite XAD-2, can be used as a chelating resin in the determination of metal ions, using atomic absorption spectrophotometry (AAS). |
| General description: | 1,2-Dihydroxybenzene (a phenolic compound) is a useful industrial chemical. It is an ortho isomeric form of dihydroxybenzene. It is commonly referred to as catechol or pyrocatechol. Its standard molar enthalpy of combustion and sublimation at 298.15K have been evaluated by static-bomb calorimetry and microcalorimetry, respectively. |
| Legal Information: | ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany |
| Packaging: | 3, 5 kg in fiber drum |
| Packaging: | 5, 100, 500 g in glass bottle |
| Symbol |    GHS05,GHS06,GHS08 |
| Signal word | Danger |
| Hazard statements | H301 + H311 - H315 - H317 - H318 - H341 - H350 |
| Precautionary statements | P201 - P202 - P280 - P301 + P310 - P302 + P352 + P312 - P305 + P351 + P338 |
| Risk Statements | 43-68 |
| Safety Statements | 39 |
| RIDADR | UN2811 - class 6.1 - PG 3 - RQ - Toxic solids, organic, n.o.s. H |
| WGK Germany | WGK 2 |
| Flash Point(F) | 260.6 °F - closed cup |
| Flash Point(C) | 127 °C - closed cup |
| Purity | ≥99% |
| bp | 245 °C (lit.) |
| mp | 100-103 °C (lit.) |
| UNSPSC | 12352100 |