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SILICA, AMORPHOUS

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The Chemical Identifier fields include common identification numbers, the NFPA diamond, U.S. Department of Transportation hazard labels, and a general description of the chemical. The information in CAMEO Chemicals comes from a variety of data sources.
CAS Number UN/NA Number
  • 7631-86-9
none
DOT Hazard Label USCG CHRIS Code
data unavailable none
NIOSH Pocket Guide International Chem Safety Card
Silica, amorphousexternal link none
NFPA 704
data unavailable
General Description
Transparent to gray, odorless powder. Irritating to the skin and eyes on contact. Inhalation will cause irritation in the respiratory tract. [Note: Amorphous silica is the non-crystalline form of SiO2.]

The Hazard fields include special hazard alerts, air and water reactions, fire hazards, health hazards, a reactivity profile, and details about reactive groups assignments and potentially incompatible absorbents. The information in CAMEO Chemicals comes from a variety of data sources.
Reactivity Alerts
none
Air & Water Reactions
No rapid reaction with air No rapid reaction with water
Fire Hazard
No information available.
Health Hazard
Exposure Routes: inhalation, skin and/or eye contact

Symptoms: Irritation eyes, pneumoconiosis

Target Organs: Eyes, respiratory system (NIOSH, 2016)
Reactivity Profile
SILICA, AMORPHOUS is a non-combustible solid. Generally unreactive chemically. Incompatible with fluorine, oxygen difluoride, chlorine trifluoride. Soluble in molten alkalis and reacts with most metallic oxides at high temperature.
Belongs to the Following Reactive Group(s)
Potentially Incompatible Absorbents

No information available.

The Response Recommendation fields include isolation and evacuation distances, as well as recommendations for firefighting, non-fire response, protective clothing, and first aid. The information in CAMEO Chemicals comes from a variety of data sources.
Isolation and Evacuation
No information available.
Firefighting
No information available.
Non-Fire Response
No information available.
Protective Clothing
Skin: No recommendation is made specifying the need for personal protective equipment for the body.

Eyes: No recommendation is made specifying the need for eye protection.

Wash skin: No recommendation is made specifying the need for washing the substance from the skin (either immediately or at the end of the work shift).

Remove: No recommendation is made specifying the need for removing clothing that becomes wet or contaminated.

Change: No recommendation is made specifying the need for the worker to change clothing after the work shift. (NIOSH, 2016)
DuPont Tychem® Suit Fabrics
No information available.
First Aid
Eye: If this chemical contacts the eyes, immediately wash the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately. Contact lenses should not be worn when working with this chemical.

Breathing: If a person breathes large amounts of this chemical, move the exposed person to fresh air at once. Other measures are usually unnecessary. (NIOSH, 2016)

The Physical Property fields include properties such as vapor pressure and boiling point, as well as explosive limits and toxic exposure thresholds. The information in CAMEO Chemicals comes from a variety of data sources.
Chemical Formula:
  • SiO2
Flash Point: data unavailable
Lower Explosive Limit (LEL): data unavailable
Upper Explosive Limit (UEL): data unavailable
Autoignition Temperature: data unavailable
Melting Point: 3110 ° F (NIOSH, 2016)
Vapor Pressure: 0 mm Hg (approx) (NIOSH, 2016)
Vapor Density (Relative to Air): data unavailable
Specific Gravity: 2.2 (NIOSH, 2016)
Boiling Point: 4046 ° F at 760 mm Hg (NIOSH, 2016)
Molecular Weight: 60.1 (NIOSH, 2016)
Water Solubility: Insoluble (NIOSH, 2016)
Ionization Potential: data unavailable
IDLH: 3000 mg/m3 (NIOSH, 2016)

AEGLs (Acute Exposure Guideline Levels)

No AEGL information available.

ERPGs (Emergency Response Planning Guidelines)

No ERPG information available.

PACs (Protective Action Criteria)

Chemical PAC-1 PAC-2 PAC-3
Silica amorphous hydrated (7631-86-9) 18 mg/m3 740 mg/m3 4500 mg/m3
(DOE, 2016)

The Regulatory Information fields include information from the U.S. Environmental Protection Agency's Title III Consolidated List of Lists, the U.S. Department of Homeland Security's Chemical Facility Anti-Terrorism Standards, and the U.S. Occupational Safety and Health Administration's Process Safety Management of Highly Hazardous Chemicals Standard List (see more about these data sources).

EPA Consolidated List of Lists

No regulatory information available.

DHS Chemical Facility Anti-Terrorism Standards (CFATS)

No regulatory information available.

OSHA Process Safety Management (PSM) Standard List

No regulatory information available.

This section provides a listing of alternate names for this chemical, including trade names and synonyms.
  • ACTICEL
  • ADELITE 30
  • ADELITE A
  • ADELITE AD 321
  • ADELITE AT 20A
  • ADELITE AT 20Q
  • ADELITE AT 30
  • ADELITE AT 30S
  • AEROGEL 200
  • AEROSIC
  • AEROSIL
  • AEROSIL 130
  • AEROSIL 130V
  • AEROSIL 175
  • AEROSIL 200
  • AEROSIL 200V
  • AEROSIL 300
  • AEROSIL 308
  • AEROSIL 360
  • AEROSIL 380
  • AEROSIL A 130
  • AEROSIL A 175
  • AEROSIL A 200
  • AEROSIL A 200V
  • AEROSIL A 300
  • AEROSIL A 380
  • AEROSIL BS 50
  • AEROSIL D 17
  • AEROSIL E 300
  • AEROSIL FK 60
  • AEROSIL K 315
  • AEROSIL K 7
  • AEROSIL M 300
  • AEROSIL OK 412
  • AEROSIL OX 50
  • AEROSIL PST
  • AEROSIL R 912
  • AEROSIL R 960
  • AEROSIL S 504BT320
  • AEROSIL TT 600
  • APASIL
  • AQUAFIL
  • AROGEN 500
  • ARSIL
  • B-CEL 300
  • BIOSILICA
  • BMA
  • BS 100
  • BS 120
  • BS 30
  • BS 30 (FILLER)
  • BS 50
  • BS 50 (SILICA)
  • CAB-M 5
  • CAB-O-GRIP
  • CAB-O-SIL
  • CAB-O-SIL H 5
  • CAB-O-SIL HS 5
  • CAB-O-SIL L 5
  • CAB-O-SIL L 90
  • CAB-O-SIL LM 50
  • CAB-O-SIL M 5
  • CAB-O-SIL MS 7
  • CAB-O-SIL MS 75D
  • CAB-O-SIL N 5
  • CAB-O-SIL N 70TS
  • CAB-O-SIL ST 1
  • CARPLEX
  • CARPLEX 100
  • CARPLEX 1120
  • CARPLEX 30
  • CARPLEX 67
  • CARPLEX 80
  • CARPLEX CS 5
  • CARPLEX FPS 1
  • CARPLEX FPS 3
  • CATALOID
  • CATALOID HS 40
  • CATALOID OSCAL 1432
  • CATALOID S 20L
  • CATALOID S 30H
  • CATALOID S 30L
  • CATALOID SA
  • CATALOID SI 350
  • CATALOID SI 40
  • CATALOID SN
  • COLLOIDAL SILICA
  • COLLOIDAL SILICON DIOXIDE
  • CORASIL II
  • CRYSTALITE 5V
  • CRYSTALITE 5X
  • CRYSTALITE CMC 1
  • CRYSTALITE FM 1
  • CRYSTALITE NA 1
  • D 11-10
  • DALTOSIL
  • DAVISON 951
  • DCF 784
  • DENKA FB 90
  • DENKA FS 44
  • DEP 002
  • DIATOMACEOUS EARTH
  • DIATOMACEOUS SILICA
  • DIATOMITE
  • DRI-DIE
  • DUROSIL
  • ELKEM SAND
  • EMSAC 460S
  • EMSAC 465T
  • ENTERO TEKNOSAL
  • EXSIL A 300
  • EXTRUSIL
  • F 307
  • F 40
  • F 40 (SILICA)
  • FILLITE 200/7
  • FILLITE 52/7
  • FINESIL B
  • FINESIL E 50
  • FINESIL X 37
  • FK 320DS
  • FLORITE 700
  • FLORITE S 700
  • FLORITE S 800
  • FOSSIL FLOUR
  • FRANSIL 251
  • FUJIGEL B
  • FUMED SILICA
  • FUSELEX X
  • GAROSIL GB
  • GAROSIL N
  • GLASGRAIN SG-A
  • GP 71
  • HARIMIC SWC 05
  • HDK-N 20
  • HDK-S 15
  • HDK-V 15
  • HIMESIL A
  • HISILEX EF 10
  • HK 125
  • HK 400
  • HKDN 20
  • HYPERSIL 10
  • HYPERSIL 3
  • HYPERSIL 5
  • IATROBEADS 6RS8060
  • IATROBEADS GRS 80100
  • IMSIL 10
  • IMSIL 1240
  • IMSIL A 10
  • IMSIL A 108
  • IMSIL A 108H
  • IMSIL A 15
  • IMSIL A 25
  • IMSIL H
  • KAOWOOL RIGIDIZER
  • KESTREL 600
  • KOMSIL
  • KS 160
  • KS 300
  • KS 380
  • KS 404
  • LO-VEL 24
  • LO-VEL 27
  • LUDOX
  • LUDOX 40HS
  • LUDOX AS 40
  • LUDOX HS 30
  • LUDOX HS 40
  • LUDOX LS
  • LUDOX RS 40
  • LUDOX SM
  • LUDOX TM
  • LUFILEN E 100
  • MANOSIL VN 3
  • MAS 200
  • MICROSIL
  • MILOWHITE
  • MIN-U-SIL
  • MIN-U-SIL 15
  • MIN-U-SIL 30
  • MIN-U-SIL 5
  • MIZUKASIL
  • MIZUKASIL NP 8
  • MIZUKASIL P 526
  • MIZUKASIL P 527
  • MIZUKASIL P 73
  • MIZUKASIL P 78
  • MIZUKASIL P 78A
  • MIZUKASIL P 78F
  • MIZUKASIL P 801
  • MIZUKASIL P 802
  • MIZUKASIL SK 7
  • MSP-X
  • NALCAST PLW
  • NALCO 1034A
  • NALCO 1115
  • NALCO 1129
  • NALCO 1140
  • NALCO 2SS374
  • NALCO 8455-258
  • NALCO 84SS258
  • NALCO CD 100
  • NALCOAG 1030
  • NALCOAG 1034A
  • NALCOAG 1050
  • NALCOAG 1060
  • NALCOAG 1115
  • NALCOAG 1129
  • NALCOAG 1140
  • NALCOAG 2SS374
  • NALFLOC N 1030
  • NALFLOC N 1050
  • NEOSIL
  • NEOSIL A
  • NEOSIL XV
  • NEOSYL
  • NEOSYL 186
  • NEOSYL 224
  • NEOSYL 81
  • NEOSYL GP
  • NIPSIL 300A
  • NIPSIL AQ
  • NIPSIL B 220A
  • NIPSIL E 150
  • NIPSIL E 150J
  • NIPSIL E 150K
  • NIPSIL E 150V
  • NIPSIL E 200
  • NIPSIL E 200A
  • NIPSIL E 220A
  • NIPSIL ER
  • NIPSIL ES
  • NIPSIL G 300
  • NIPSIL L 300
  • NIPSIL LP
  • NIPSIL NA
  • NIPSIL NS
  • NIPSIL NST
  • NIPSIL SS 10
  • NIPSIL SS 50
  • NIPSIL SS 50A
  • NIPSIL VN 3
  • NIPSIL VN 3AQ
  • NIPSIL VN3LP
  • NOVAKUP
  • NUCLEOSIL 100-5
  • NYACOL 2034A
  • OSCAL
  • OSCAL 1132
  • OSCAL 1232
  • OSCAL 1432
  • OSCAL 1433
  • OSCAL 1434
  • P 2
  • P 2 (SILICA)
  • PC 100
  • PHOTOX
  • PORASIL
  • POSITIVE SOL 130M
  • POSITIVE SOL 232
  • PRECIPITATED AMORPHOUS SILICA
  • PREGEL
  • PROTEK-SORB 121
  • QUSO 51
  • QUSO G 30
  • QUSO G 32
  • QUSO WR 55
  • QUSO WR 82
  • REOLOSIL
  • REOLOSIL 202
  • REOLOSIL QS 102
  • ROMSIL
  • S 1-45D
  • S 600
  • S-CO
  • S-CO (FILLER)
  • SANTOCEL
  • SANTOCEL 54
  • SANTOCEL 62
  • SANTOCEL CS
  • SANTOCEL Z
  • SI-O-LITE
  • SIDENT 12
  • SIFLOX
  • SILANOX 101
  • SILCRON G 100
  • SILCRON G 640
  • SILEX
  • SILICA
  • SILICA GEL
  • SILICA, AMORPHOUS
  • SILICA, AMORPHOUS HYDRATED
  • SILICAFILM
  • SILICALITE
  • SILICON DIOXIDE
  • SILICON DIOXIDE (AMORPHOUS)
  • SILICON DIOXIDE (SIO2)
  • SILICON OXIDE (SIO2)
  • SILIKIL
  • SILIPUR
  • SILLIKOLLOID
  • SILMOS
  • SILNEX NP 8
  • SILOXID
  • SILTON A
  • SILTON A 2
  • SILTON AK
  • SILTON LP 75C
  • SILTON R 2
  • SIONOX
  • SIPERNAT 22
  • SIPUR 1500
  • SNOWTEX
  • SNOWTEX 20
  • SNOWTEX 30
  • SNOWTEX 40
  • SNOWTEX AK
  • SNOWTEX C
  • SNOWTEX N
  • SNOWTEX NCS 30
  • SNOWTEX O
  • SNOWTEX OL
  • SNOWTEX OXS
  • SOLEX (M)
  • SORBSIL MSG
  • SOX
  • SS 10
  • SS 50
  • SSA 1
  • SSK 5
  • ST 30
  • ST 30 (MINERAL)
  • SUPER-CEL
  • SUPERNAT 22LS
  • SUPERNAT 250S
  • SUPERNAT 50S
  • SX 10
  • SYLOBLOC 41
  • SYLOBLOC 44
  • SYLOBLOC 46
  • SYLOBLOC 47
  • SYLODENT 704
  • SYLOX 15
  • SYTON
  • SYTON 2X
  • SYTON 30X
  • SYTON FM
  • SYTON W 15
  • SYTON W 3
  • SYTON W 30
  • SYTON X 30
  • TARANOX 500
  • TIX-O-SIL 33J
  • TIX-O-SIL 375
  • TIX-O-SIL 38A
  • TK 900
  • TMC 200
  • TOKUSIL AL 1
  • TOKUSIL GU
  • TOKUSIL GU-N
  • TOKUSIL GV-N
  • TOKUSIL N
  • TOKUSIL NR
  • TOKUSIL P
  • TOKUSIL TPLM
  • TOKUSIL U
  • TOKUSIL UR
  • TOSIL
  • TOSIL P
  • TS 100
  • TS 100 (SILICA)
  • TULLANOX A 50
  • TULLANOX TM 500
  • U 333
  • ULTRASIL VH 3
  • ULTRASIL VN 2
  • ULTRASIL VN 3
  • ULTRASIL VN 3SP
  • UNISIL
  • UNISIL Q 30
  • VERTICURINE
  • VITASIL 1500
  • VITASIL 1600
  • VITASIL 220
  • VULKASIL C
  • VULKASIL S
  • WESSALON S
  • WHITE CARBON
  • XOB 075
  • ZEO 49
  • ZEODENT 113
  • ZEOFREE 80
  • ZEOPAN
  • ZEOSIL 1000V
  • ZEOSIL 175MP
  • ZEOSIL 75
  • ZEOSYL 100
  • ZEOSYL 200
  • ZEOSYL 2000
  • ZEOTHIX 265
  • ZEOTHIX 95
  • ZIPAX
  • ZORBAX PSM 1000
  • ZORBAX PSM 150
  • ZORBAX PSM 300
  • ZORBAX PSM 500
  • ZORBAX PSM 60
  • ZORBAX SIL

Version 2.7.1 rev 1