m-Tolyl isocyanate

CAS621-29-4

m-Tolyl isocyanate (CAS 621-29-4, C8H7NO) is supplied by ChemSigma for research and manufacturing, with specification, analytical methods and batch documentation available on request.

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Chemical structure of m-Tolyl isocyanate
C8H7NO · 133.15 g/mol
CAS No.
621-29-4
Formula
C8H7NO
Mol. weight
133.15 g/mol
Appearance
Clear colorless to pale yellow liquid

Chemical Specifications

Identifiers

CAS number 621-29-4
Product name m-Tolyl isocyanate
Chinese name 异氰酸间甲苯酯
Synonyms 3-METHYLPHENYL ISOCYANATE
Chinese synonyms 异氰酸间甲苯酯; 间甲苯基异氰酸酯; 间甲苯异氰酸酯; 1-异氰酸根合-3-甲基苯; 3-甲基苯异氰酸酯; 间甲基苯异氰酸酯; META-甲苯异腈酸酯; 间甲苯异氰酸酯,99%
Molecular formula C8H7NO
Molecular weight 133.15 g/mol
EC number 210-676-0
InChI InChI=1/C8H7NO/c1-7-3-2-4-8(5-7)9-6-10/h2-5H,1H3

Physical and chemical properties

Appearance Clear colorless to pale yellow liquid
Boiling Point 66.8 ( ℃ )

Applications

<TABLE style="TABLE-LAYOUT: fixed" border=0 cellSpacing=1 cellPadding=2 width="100%" bgColor=#d5d5d5> <TBODY> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>bp&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>75-76&nbsp;°C12&nbsp;mm Hg(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>density&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>1.033&nbsp;g/mL&nbsp;at 25&nbsp;°C(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>refractive index&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc><I>n</I><FRAC Type="vertical">20/D</FRAC> 1.5305(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>Fp&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>150&nbsp;°F<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>storage temp.&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>2-8°C<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>Sensitive&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>Moisture Sensitive</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>BRN&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>386149</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>CAS DataBase Reference</TD> <TD bgColor=#ffffff><A title="621-29-4(CAS DataBase Reference)" href="CAS_621-29-4.htm"><FONT color=#0066cc>621-29-4(CAS DataBase Reference)</FONT></A></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>NIST Chemistry Reference</TD> <TD bgColor=#fafafa><A title="Benzene, 1-isocyanato-3-methyl-(621-29-4)" href="http://webbook.nist.gov/cgi/cbook.cgi?ID=621-29-4&amp;Units=SI"><FONT color=#0066cc>Benzene, 1-isocyanato-3-methyl-(621-29-4)</FONT></A></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>EPA Substance Registry System</TD> <TD bgColor=#ffffff><A title="Benzene, 1-isocyanato-3-methyl-(621-29-4)" href="http://iaspub.epa.gov/sor_internet/registry/substreg/searchandretrieve/advancedsearch/search.do?search=?search=&amp;searchCriteria(advancedCriteria)=casNumber=621-29-4"><FONT color=#0066cc>Benzene, 1-isocyanato-3-methyl-(621-29-4)</FONT></A></TD></TR></TBODY></TABLE>

Packaging, Storage & Transport

Available pack sizes 5kg, 1kg, 500g, 100g, 50g, 10g

Read the current safety data sheet before handling. Packaging can be adapted to the order quantity and destination.

Frequently Asked Questions

What is the CAS number of m-Tolyl isocyanate?

The CAS Registry Number of m-Tolyl isocyanate is 621-29-4. m-Tolyl isocyanate is also known as 3-METHYLPHENYL ISOCYANATE.

What is the molecular formula and molecular weight of m-Tolyl isocyanate?

The molecular formula of m-Tolyl isocyanate is C8H7NO, and its molecular weight is 133.15 g/mol.

What is m-Tolyl isocyanate used for?

<TABLE style="TABLE-LAYOUT: fixed" border=0 cellSpacing=1 cellPadding=2 width="100%" bgColor=#d5d5d5> <TBODY> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>bp&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>75-76&nbsp;°C12&nbsp;mm Hg(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>density&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>1.033&nbsp;g/mL&nbsp;at 25&nbsp;°C(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>refractive index&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc><I>n</I><FRAC Type="vertical">20/D</FRAC> 1.5305(lit.)<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>Fp&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>150&nbsp;°F<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>storage temp.&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>2-8°C<BR></FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>Sensitive&nbsp;</TD> <TD bgColor=#ffffff><FONT color=#0066cc>Moisture Sensitive</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>BRN&nbsp;</TD> <TD bgColor=#fafafa><FONT color=#0066cc>386149</FONT></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>CAS DataBase Reference</TD> <TD bgColor=#ffffff><A title="621-29-4(CAS DataBase Reference)" href="CAS_621-29-4.htm"><FONT color=#0066cc>621-29-4(CAS DataBase Reference)</FONT></A></TD></TR> <TR class=ProdSupplierGN_ProductA_1> <TD class=td12>NIST Chemistry Reference</TD> <TD bgColor=#fafafa><A title="Benzene, 1-isocyanato-3-methyl-(621-29-4)" href="http://webbook.nist.gov/cgi/cbook.cgi?ID=621-29-4&amp;Units=SI"><FONT color=#0066cc>Benzene, 1-isocyanato-3-methyl-(621-29-4)</FONT></A></TD></TR> <TR class=ProdSupplierGN_ProductA_2> <TD bgColor=#ffffff>EPA Substance Registry System</TD> <TD bgColor=#ffffff><A title="Benzene, 1-isocyanato-3-methyl-(621-29-4)" href="http://iaspub.epa.gov/sor_internet/registry/substreg/searchandretrieve/advancedsearch/search.do?search=?search=&amp;searchCriteria(advancedCriteria)=casNumber=621-29-4"><FONT color=#0066cc>Benzene, 1-isocyanato-3-methyl-(621-29-4)</FONT></A></TD></TR></TBODY></TABLE>

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