Abstract
This specification establishes the properties and requirements for propylene glycol monomethyl ether. Specimens shall be suitably sampled and tested, and shall adhere to specified values of the following properties: purity; apparent specific gravity; color (platinum-cobalt scale); water content; distillation range (initial boiling point and dry point); and acidity (free acid as acetic acid).
Scope
1.2 The following applies to all specified limits in this standard; for purposes of determining conformance with this standard, an observed value or a calculated value shall be rounded off “to the nearest unit” in the last right-hand digit used in expressing the specification limit, in accordance with the rounding-off method of Practice E29.