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596-27-0

596-27-0 structure
596-27-0 structure

Name o-Cresolphthalein
Synonyms 3,3-bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1-one
3,3'-DIMETHYLPHENOLPHTHALEIN
o-cresolphthalein
MFCD00005912
1(3H)-Isobenzofuranone, 3,3-bis(4-hydroxy-3-methylphenyl)-
3,3-Bis(4-hydroxy-3-methylphenyl)-1(3H)-isobenzofuranone
3,3-Bis(4-hydroxy-3-methylphenyl)-2-benzofuran-1(3H)-one
EINECS 209-881-8
Density 1.3±0.1 g/cm3
Boiling Point 555.0±50.0 °C at 760 mmHg
Melting Point 223-225 °C
Molecular Formula C22H18O4
Molecular Weight 346.376
Flash Point 198.8±23.6 °C
Exact Mass 346.120514
PSA 66.76000
LogP 3.55
Vapour Pressure 0.0±1.6 mmHg at 25°C
Index of Refraction 1.668
Water Solubility slightly soluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SM8390000
CHEMICAL NAME :
Phenolphthalein, 3',3''-dimethyl-
CAS REGISTRY NUMBER :
596-27-0
BEILSTEIN REFERENCE NO. :
0310554
LAST UPDATED :
199709
DATA ITEMS CITED :
4
MOLECULAR FORMULA :
C22-H18-O4
MOLECULAR WEIGHT :
346.40
WISWESSER LINE NOTATION :
T56 BVO DHJ DR DQ C1& DR DQ C1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
320 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
REFERENCE :
CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#02167 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1081 No. of Facilities: 127 (estimated) No. of Industries: 1 No. of Occupations: 4 No. of Employees: 2223 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - A1081 No. of Facilities: 36 (estimated) No. of Industries: 1 No. of Occupations: 3 No. of Employees: 903 (estimated) No. of Female Employees: 643 (estimated)
Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xn:Harmful;
Risk Phrases R40
Safety Phrases S36/37
RIDADR NONH for all modes of transport
RTECS SM8390000
HS Code 2932209090
Precursor  2

DownStream  2

HS Code 2932209090
Summary 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%