CAS 4376-20-9|UNII:FU2EWB60RT

Introduction：Basic information about CAS 4376-20-9|UNII:FU2EWB60RT, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
Common NameUNII:FU2EWB60RT
CAS Number4376-20-9Molecular Weight278.34
Density1.1±0.1 g/cm3Boiling Point408.9±28.0 °C at 760 mmHg
Molecular FormulaC16H22O4Melting Point25-27ºC
MSDSChineseUSAFlash Point144.1±17.5 °C

Names

Namemono(2-ethylhexyl) phthalate
SynonymMore Synonyms

UNII:FU2EWB60RT BiologicalActivity

DescriptionPhthalic acid mono-2-ethylhexyl ester (MEHP) is a major bioactive metabolite of diethylhexyl phthalate (DEHP), which inhibits the 17, 20 lyase activity of CYP17[1].
Related CatalogSignaling Pathways >>Others >>OthersResearch Areas >>Metabolic Disease
References

[1]. Bai J, et al. Mono-2-ethylhexyl phthalate induces the expression of genes involved in fatty acid synthesis in HepG2 cells. Environ Toxicol Pharmacol. 2019 Jul;69:104-111.

[2]. Chauvigné F, et al. Mono-(2-ethylhexyl) phthalate directly alters the expression of Leydig cell genes and CYP17 lyase activity in cultured rat fetal testis. PLoS One. 2011;6(11):e27172.

Chemical & Physical Properties

Density1.1±0.1 g/cm3
Boiling Point408.9±28.0 °C at 760 mmHg
Melting Point25-27ºC
Molecular FormulaC16H22O4
Molecular Weight278.34
Flash Point144.1±17.5 °C
Exact Mass278.151794
PSA63.60000
LogP4.66
Vapour Pressure0.0±1.0 mmHg at 25°C
Index of Refraction1.517
InChIKeyDJDSLBVSSOQSLW-UHFFFAOYSA-N
SMILESCCCCC(CC)COC(=O)c1ccccc1C(=O)O
Storage conditionRefrigerator

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
TI2500000
CHEMICAL NAME :
Phthalic acid, mono-(2-ethylhexyl) ester
CAS REGISTRY NUMBER :
4376-20-9
LAST UPDATED :
199712
DATA ITEMS CITED :
40
MOLECULAR FORMULA :
C16-H22-O4
MOLECULAR WEIGHT :
278.38
WISWESSER LINE NOTATION :
QVR BVO1Y4&2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rat
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1340 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
415 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
150 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
240 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
208 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
7 gm/kg/14D-I
TOXIC EFFECTS :
Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
8400 mg/kg/1W-C
TOXIC EFFECTS :
Liver - changes in liver weight Blood - changes in serum composition (e.g. TP, bilirubin, cholesterol) Biochemical - Metabolism (Intermediary) - lipids including transport
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
168 mg/kg/28D-C
TOXIC EFFECTS :
Blood - pigmented or nucleated red blood cells Blood - changes in leukocyte (WBC) count
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
675 mg/kg/90D-C
TOXIC EFFECTS :
Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - dehydrogenases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
6825 mg/kg/26W-C
TOXIC EFFECTS :
Liver - changes in liver weight
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - hamster
DOSE/DURATION :
7 gm/kg/14D-I
TOXIC EFFECTS :
Liver - changes in liver weight Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - hepatic microsomal mixed oxidase (dealkylation, hydroxylation, etc.) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - other transferases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
4500 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Newborn - other neonatal measures or effects
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
6320 ug/kg
SEX/DURATION :
male 7 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
3750 mg/kg
SEX/DURATION :
male 5 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - spermatogenesis (incl. genetic material, sperm morphology, motility, and count)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
1 gm/kg
SEX/DURATION :
male 20 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - prostate, seminal vesicle, Cowper's gland, accessory glands
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Intraperitoneal
DOSE :
500 mg/kg
SEX/DURATION :
male 10 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - other effects on male
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
4360 mg/kg
SEX/DURATION :
female 6-13 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - litter size (e.g. # fetuses per litter; measured before birth)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
100 mg/kg
SEX/DURATION :
female 7 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
350 mg/kg
SEX/DURATION :
male 1 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
100 mg/kg
SEX/DURATION :
female 8 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
1241 mg/kg
SEX/DURATION :
female 1-17 day(s) after conception
TOXIC EFFECTS :
Reproductive - Fertility - post-implantation mortality (e.g. dead and/or resorbed implants per total number of implants) Reproductive - Effects on Embryo or Fetus - other effects to embryo
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
9 gm/kg
SEX/DURATION :
male 9 day(s) pre-mating
TOXIC EFFECTS :
Reproductive - Paternal Effects - testes, epididymis, sperm duct
TYPE OF TEST :
Specific locus test
TYPE OF TEST :
Morphological transformation
TYPE OF TEST :
Cytogenetic analysis

MUTATION DATA

TYPE OF TEST :
Mutation in mammalian somatic cells
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
750 mg/L
REFERENCE :
ESKGA2 Eisei Kagaku. Hygienic Chemistry. (Nippon Yakugakkai, 2-12-15 Shibuya, Shibuya-ku, Tokyo 150, Japan) V.1- 1953- Volume(issue)/page/year: 28,P36,1982

Safety Information

Hazard CodesXi
Risk PhrasesR36/37/38
Safety Phrases26-36/37/39
RTECSTI2500000
HS Code2922509090

Customs

HS Code2922509090
Summary2922509090. other amino-alcohol-phenols, amino-acid-phenols and other amino-compounds with oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Synonyms

UNII:FU2EWB60RT
2-(((2-Ethylhexyl)oxy)carbonyl)benzoic acid
2-(2-ethylhexoxycarbonyl)benzoic acid
mono(2-ethylhexyl) phthalate
2-{[(2-Ethylhexyl)oxy]carbonyl}benzoic acid
Mono(2-ethylhexyl)phthalate [MEHP]
rac Mono(ethylhexyl) Phthalate
1,2-Benzenedicarboxylic acid, mono(2-ethylhexyl) ester
Monoethylhexyl phthalate (mEHP)
EINECS 224-477-1
CAS 2164-09-2|chloranocryl
CAS 39205-60-2|benazolin-methyl ester
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