NIOSH logo and tagline

Starch

Related Pages
Synonyms & Trade Names
Corn starch, Rice starch, Sorghum gum, α-Starch, Starch gum, Tapioca starch
CAS No.
9005-25-8
RTECS No.
GM5090000
DOT ID & Guide
Formula
(C₆H₁₀O₅)n
Conversion
IDLH
N.D.
See: IDLH INDEX
Exposure 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)
Measurement Methods
NIOSH 0500 , 0600
See: NMAM or OSHA Methods
Physical Description
Fine, white, odorless powder. [Note: A carbohydrate polymer composed of 25% amylose & 75% amylpectin.]
Molecular Weight
varies
Boiling Point
Decomposes
Melting Point
Decomposes
Solubility
Insoluble
Vapor Pressure
0 mmHg (approx)
Ionization Potential
NA
Specific Gravity
1.45
Flash Point
NA
Upper Explosive Limit
NA
Lower Explosive Limit
NA
Minimum Explosive Concentration
50 g/m3
Noncombustible Solid, but may form explosive mixture with air.
Incompatibilities & Reactivities
Oxidizers, acids, iodine, alkalis
Exposure Routes
inhalation, ingestion, skin and/or eye contact
Symptoms
irritation eyes, skin, mucous membrane; cough, chest pain; dermatitis; rhinorrhea (discharge of thin nasal mucus)
Target Organs
Eyes, skin, respiratory system
Personal 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.

Important additional information about respirator selection

See also
INTRODUCTION   ICSC CARD: 1553
Page last reviewed: October 30, 2019
Content source: National Institute for Occupational Safety and Health