Starch
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Synonyms & Trade Names
Corn starch, Rice starch, Sorghum gum, α-Starch, Starch gum, Tapioca starchExposure Limits
NIOSH REL
TWA 10 mg/m3 (total) TWA 5 mg/m3 (resp)OSHA PEL
TWA 15 mg/m3 (total) TWA 5 mg/m3 (resp)Physical Description
Fine, white, odorless powder. [Note: A carbohydrate polymer composed of 25% amylose & 75% amylpectin.]Molecular Weight
variesBoiling Point
DecomposesMelting Point
DecomposesSolubility
InsolubleVapor Pressure
0 mmHg (approx)Ionization Potential
NASpecific Gravity
1.45Flash Point
NAUpper Exposive Limit
NALower Explosive Limit
NAMinimum Explosive Concentration
50 g/m3
Noncombustible Solid, but may form explosive mixture with air.
Incompatibilities & Reactivities
Oxidizers, acids, iodine, alkalisExposure Routes
inhalation, ingestion, skin and/or eye contactSymptoms
irritation eyes, skin, mucous membrane; cough, chest pain; dermatitis; rhinorrhea (discharge of thin nasal mucus)Target Organs
Eyes, skin, respiratory systemPersonal Protection/Sanitation
(See protection codes)Skin:Prevent skin contact
Eyes:Prevent eye contact
Wash skin:Daily
Remove:When wet or contaminated
Change:Daily
First Aid
(See procedures)Eye:Irrigate immediately
Skin:Soap wash
Breathing:Fresh air
Swallow:Medical attention immediately
Respirator Recommendations
Not available.
- Page last reviewed:April 11, 2016
- Page last updated:April 11, 2016
- Content source:
- National Institute for Occupational Safety and Health (NIOSH) Education and Information Division