starch

starch
	Cornstarch being mixed with water
Identifiers
CAS Number	9005-25-8 ;
ChemSpider	none;
EC Number	232-679-6;
RTECS number	GM5090000;
UNII	24SC3U704I ;
Properties
Chemical formula	(C; 6H; 10O; 5); n
Molar mass	Variable
Appearance	White powder
Density	Variable
Melting point	decomposes
Solubility in water	insoluble (see starch gelatinization)
Thermochemistry
Std enthalpy of; combustion	4.1788 kilocalories per gram (17.484 kJ/g) (Higher heating value)
Hazards
Autoignition; temperature	410 °C (770 °F; 683 K)
	NIOSH (US health exposure limits):
PEL (Permissible)	TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)
Safety data sheet (SDS)	ICSC 1553
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references