CAS 2892-51-5|Squaric acid
Introduction：Basic information about CAS 2892-51-5|Squaric acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Squaric acid | ||
|---|---|---|---|
| CAS Number | 2892-51-5 | Molecular Weight | 114.056 |
| Density | 2.4±0.1 g/cm3 | Boiling Point | 251.0±50.0 °C at 760 mmHg |
| Molecular Formula | C4H2O4 | Melting Point | >300 °C(lit.) |
| MSDS | ChineseUSA | Flash Point | 119.8±26.6 °C |
| Symbol | GHS07 | Signal Word | Warning |
Names
| Name | squaric acid |
|---|---|
| Synonym | More Synonyms |
Chemical & Physical Properties
| Density | 2.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 251.0±50.0 °C at 760 mmHg |
| Melting Point | >300 °C(lit.) |
| Molecular Formula | C4H2O4 |
| Molecular Weight | 114.056 |
| Flash Point | 119.8±26.6 °C |
| Exact Mass | 113.995308 |
| PSA | 74.60000 |
| LogP | -1.70 |
| Vapour Pressure | 0.0±1.1 mmHg at 25°C |
| Index of Refraction | 1.872 |
| InChIKey | PWEBUXCTKOWPCW-UHFFFAOYSA-N |
| SMILES | O=c1c(O)c(O)c1=O |
| Storage condition | -20°C |
| Water Solubility | 20 g/L (30 ºC) |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 368 mg/kg/92W-I
- TOXIC EFFECTS :
- Tumorigenic - equivocal tumorigenic agent by RTECS criteria Tumorigenic - tumors at site of application
- REFERENCE :
- JNCIAM Journal of the National Cancer Institute. (Washington, DC) V.1-60, 1940-78. For publisher information, see JJIND8. Volume(issue)/page/year: 46,143,1971
Safety Information
| Symbol | GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H317-H319-H335 |
| Precautionary Statements | P261-P280-P305 + P351 + P338 |
| Personal Protective Equipment | dust mask type N95 (US);Eyeshields;Faceshields;Gloves |
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38:Irritating to eyes, respiratory system and skin . R43:May cause sensitization by skin contact. |
| Safety Phrases | S26-S36-S37/39 |
| RIDADR | 3261 |
| WGK Germany | 3 |
| RTECS | GU1800000 |
| Packaging Group | II |
| Hazard Class | 8 |
| HS Code | 29144090 |
Customs
| HS Code | 2914400090 |
|---|---|
| Summary | 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Articles35
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Synonyms
| SQUARICACIDDIBUTYLESTERS |
| EINECS 220-761-4 |
| Squaric acid |
| dihydroxy-cyclobutenedion |
| Quadratic acid |
| 3,4-Dihydroxycyclobut-3-en-1,2-dion |
| 1-Cyclobutene-3,4-dione-1,2-diol |
| 3-Cyclobutene-1,2-dione, 3,4-dihydroxy- |
| 2-dione |
| 3,4-Dihydroxycyclobut-3-ene-1,2-dione |
| Squaric |
| DIKETOCYCLOBUTENEDIOL |
| dihydroxycyclobutenedione |
| MFCD00001334 |
| 3,4-Dihydroxy-3-cyclobutene-1,2-dione |
| SQUARC ACID |
