Introduction:Basic information about CAS 26590-20-5|Methyltetrahydrophthalic anhydride, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | Methyltetrahydrophthalic anhydride |
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| CAS Number | 26590-20-5 | Molecular Weight | 166.17400 |
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| Density | 1.25~1.35g/cm3 | Boiling Point | 308.9ºC at 760mmHg |
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| Molecular Formula | C9H10O3 | Melting Point | 90°C |
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| MSDS | / | Flash Point | 146.8ºC |
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Names
| Name | methyltetrahydrophthalic anhydride |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.25~1.35g/cm3 |
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| Boiling Point | 308.9ºC at 760mmHg |
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| Melting Point | 90°C |
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| Molecular Formula | C9H10O3 |
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| Molecular Weight | 166.17400 |
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| Flash Point | 146.8ºC |
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| Exact Mass | 166.06300 |
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| PSA | 43.37000 |
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| LogP | 1.04230 |
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| Index of Refraction | 1.545 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- TI3325000
- CHEMICAL NAME :
- Phthalic anhydride, methyltetrahydro-
- CAS REGISTRY NUMBER :
- 26590-20-5
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C9-H10-O3
- MOLECULAR WEIGHT :
- 166.19
- WISWESSER LINE NOTATION :
- T56 BVOV GUTJ X1
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 2140 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- 1410 uL/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- AIHAAP American Industrial Hygiene Association Journal. (AIHA, 475 Wolf Ledges Pkwy., Akron, OH 44311) V.19- 1958- Volume(issue)/page/year: 30,470,1969 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2943 No. of Facilities: 15 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 124 (estimated)
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Safety Information
| Risk Phrases | R36/37/38:Irritating to eyes, respiratory system and skin . |
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| Safety Phrases | S26-S36/37/39 |
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| RTECS | TI4290000 |
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Synonyms
| MTHPA-EG |
| MTHPA |
| Lindride |
| ac220 |
| AC-METHYL |
| 4-MTHPA |
| ac220j |
| MFCD00014585 |
| MTHPA-600 |
| Methyltetrahydrophthalic anhydride |
| EINECS 234-290-7 |