Product Name

  • Name

    Mono-methyl isophthalate

  • EINECS
  • CAS No. 1877-71-0
  • Article Data61
  • CAS DataBase
  • Density 1.288 g/cm3
  • Solubility
  • Melting Point 194-196 °C(lit.)
  • Formula C9H8O4
  • Boiling Point 339.3 °C at 760 mmHg
  • Molecular Weight 180.16
  • Flash Point 139.6 °C
  • Transport Information
  • Appearance White to off-white crystalline powder
  • Safety 26-36
  • Risk Codes 36/37/38
  • Molecular Structure Molecular Structure of 1877-71-0 (Mono-methyl isophthalate)
  • Hazard Symbols IrritantXi
  • Synonyms 3-[(Methyloxy)carbonyl]benzoic acid;Methyl3-carboxybenzoate;Methyl hydrogen isophthalate;Methyl m-carboxybenzoate;Methyl m-phthalate;Monomethyl isophthalate;1,3-Benzenedicarboxylicacid, monomethyl ester (9CI);Isophthalic acid, methyl ester (6CI,7CI);Isophthalic acid, monomethyl ester (8CI);3-(Methoxycarbonyl)benzoic acid;3-Carbomethoxybenzoic acid;
  • PSA 63.60000
  • LogP 1.17140

Mono-methyl isophthalate Chemical Properties

IUPAC Name: 3-Methoxycarbonylbenzoic acid
Synonyms of Mono-methyl isophthalate (CAS NO.1877-71-0): Methyl m-phthalate ; Iflab-bb f2108-0140 ; Isophthalic acid methyl ester ; 3-Methoxycarbonyl benzoic acid ; Rarechem al be 0627 ; Benzene-1,3-dicarboxylic acid monomethyl ester~Isophthalic acid monomethyl ester~Monomethyl isophthalate
CAS NO: 1877-71-0
Molecular Formula: C9H8O4
Molecular Weight: 180.1574
Molecular Structure:

Melting Point: 194-196 °C
ProductCategories: Acids and Derivatives ; pharmacetical ; C8 to C9 ; Carbonyl Compounds ; Esters 
Polar Surface Area: 52.6 Å2
Index of Refraction: 1.556
Molar Refractivity: 44.95 cm3
Molar Volume: 139.8 cm3
Surface Tension: 51.2 dyne/cm
Density of Mono-methyl isophthalate (CAS NO.1877-71-0): 1.288 g/cm3
Flash Point: 139.6 °C
Enthalpy of Vaporization: 61.5 kJ/mol
Boiling Point: 339.3 °C at 760 mmHg
Vapour Pressure: 3.6E-05 mmHg at 25°C

Mono-methyl isophthalate Safety Profile

Hazard Codes of Mono-methyl isophthalate (CAS NO.1877-71-0): IrritantXi
Risk Statements 36/37/38 
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36: Wear suitable protective clothing.
WGK Germany 3
HazardClass IRRITANT

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