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1 Scope
This standard specifies the requirements, sampling, test methods, marking, packaging, transportation and storage of a 40% aqueous solution prepared from monomethylamine
This standard applies to a 40% aqueous solution prepared from monomethylamine produced by the continuous gas phase catalytic amination of methanol .
Molecular formula: CH 3 NH 2
Relative molecular mass: 31.
2 Reference standards
The provisions contained in the following standards constitute the provisions of this standard through quotation in this standard
GB190-1990 Dangerous Goods Packaging Mark
GB/T325-1991 Packaging Container Steel Drum
GB/T6678-1986 General Rules for Sampling of Chemical Products
GB/T6680-1986 General Rules for Sampling of Liquid Chemical Products
GB/T1250-1989 The method of expressing and judging the limit value
HG/T 2971-1999 Industrial methylamine aqueous solution test method
Regulations for the Management of the Transport of Dangerous Goods by Railway Ministry of Railways (1995) No.
3.
3.
Table 1 Quality requirements for industrial 40% monomethylamine aqueous solution
4 sampling
4.
4.
4.
4.
4.
5 Test method
Measure according to HG/T2971
6 Marking, packaging, transportation and storage
6.
6.
6.
3 The products can be installed in carbon steel tank cars or steel drums
.
Tank trucks and steel drums must be clean and intact, and the packaging steel drums should be checked and accepted according to GB/T325; after the drums are filled, the lids of the drums should be tight and not leaking
.
6.
4 Monomethylamine is very volatile.
The steel drums containing this product should not be stored in the open air.
They should be stored in a dry, ventilated warehouse away from fire and other dangerous goods, and avoid high temperature exposure
.
6.
5 The transportation of this product should be carried out in accordance with the railway dangerous goods transportation management rules and other regulations related to the transportation of dangerous goods
.
7 Security
7.
1 This product is flammable, avoid high temperature exposure and contact with open flames
.
7.
2 This product is toxic and corrosive.
Avoid contact with eyes and skin during use
.
7.
3 This product should be stored separately from acid chemicals and strong oxidizing chemicals
.
Related Links: Industrial Monoethanolamine (Appendix A)