FireGard®

St. Louis Group is one of the largest volume suppliers of ATO in the US market. We are vertically integrated with mining and production operations in Bolivia and have contract manufacturing options in China. Specialty dispersions and masterbatches are available upon request.
Contact us for more information regarding our FireGard® products.

FireGard® ATO
Antimony Trioxide
CAS #1309-64-4
General purpose, high purity

FireGard® APO
Antimony Pentoxide
CAS #1314-60-9

FireGard® 9010-PE
Custom Antimony Trioxide Masterbatch
CAS #1309-64-4; 9002-88-4

FireGard® HP 
Antimony Trioxide
CAS #1309-64-4
Extra low arsenic & lead ATO

FireGard® 9010-EVA
Custom Antimony Trioxide Masterbatch
CAS #1309-64-4; 24937-78-8

FireGard® LT
Antimony Trioxide
CAS #1309-64-4
Low tint ATO 

FireGard® 8020-PBT
Custom Antimony Trioxide Masterbatch
CAS #1309-64-4; 2498-12-5

FireGard® SA
Sodium Antimonate
CAS #15432-85-6

FireGard® 8020-PP
Custom Antimony Trioxide Masterbatch
CAS #1309-64-4; 9003-07-0

FireGard® XF
Antimony Trioxide
CAS #1309-64-4
Extra fine particle size ATO

BroShield®

St. Louis Group is an established & viable supplier of brominated Flame Retardants. We are a domestic manufacturer of brominated polyols and blends. We also have contract manufacturing operations in China. Specialty dispersions and masterbatches are available upon request.
Contact us for more information regarding our BroShield® products.

BroShield® 21-B
Decabromodiphenyl Ethane
CAS #84852-53-9

BroShield® 550
Halogenated Phosphate Blend
CAS #Proprietary

BroShield® 25-B
Octobromobisphenol S Bis 2,3 Dibromopropyl Ether
CAS #42757-55-1

BroShield® 45-B
Tetrabromophthalate Ester
CAS #26040-51-7

BroShield® 5220
Dibromoneopentyl Glycol
CAS #3296-90-0

BroShield® 51-B
Tetrabromobisphenol A Bis (Allyl Ether)
CAS #25327-89-3

BroShield® BPS-30
Brominated Polystyrene
CAS #88497-56-7

BroShield® 52-B
Oligomer of Tetrabromobisphenol A
CAS #94334-64-2

BroShield® BPS-70 HP
Brominated Polystyrene
CAS #88497-56-7
High molecular weight

BroShield® 54-B
Tetrabromophthalic Anhydride Derivative
CAS #Proprrietary

BroShield® 58-B
Oligomer of Tetrabromobisphenol A
CAS #71342-77-3

BroShield® RB4D
Tetrabromophthalate Diol
CAS #77098-07-8
Viscosity: 80,000 – 120,000 cps

BroShield® 64-B
Poly (2,6 Dibromophenylene Oxide)
CAS #69882-11-7

BroShield® RB4D-LV
Tetrabromophthalate Diol
CAS #77098-07-8
Viscosity: 20,000 – 30,000 cps

BroShield® 65-B
Poly (2,3 dibromo-2-methylpropyl ether)
CAS #97416-84-7

BroShield® RB-44K2
Halogenated Phosphate Blend
CAS #Proprietary 
Viscosity: 20,000 – 30,000 cps

BroShield® 67-B
Ethylene Bis Tetrabromophthalimide
CAS #32588-76-4

BroShield® RB-44SG
Halogenated Phosphate Blend
CAS #Proprietary
Viscosity: 20,000 – 30,000 cps

BroShield® 68-B
Tetrabromobisphenol A bis (2,3-dibromopropyl ether
CAS #21850-44-2

BroShield® RB-55
Tetrabromophthalate Diol & TCPP
CAS #77098-07-8 + 13674-84-5
50:50 Blend

BroShield® 70-B
Tris (Tribromoneopentyl) Phosphate 
CAS #19186-97-1

BroShield® 245
2,4,6-Tris (Tribromoneopentyl) Phosphate 
CAS #25713-60-4

BroShield® RB-82
Tetrabromophthalate Diol & TCPP
CAS #77098-07-8 + 13674-84-5
80:20 Blend

BroShield® RB-11
Halogenated Phosphate Blend
CAS #Proprietary 

BroShield® 450
Halogenated Phosphate Blend
CAS #Proprietary 

BroShield® RB-22
Halogenated Phosphate Blend
CAS #Proprietary

CharFlam®

Non-halogenated products that promote char formation in intumescent Flame Retardant applications & textiles.
Contact us for more information regarding our CharFlam® products.

CharFlam® 100-P
Pentaerythritol
CAS #115-77-5
Purity: ≥98%

CharFlam® 400D
Melamine Cyanurate
CAS #37640-57-6
Dry manufacturing process

CharFlam® 200-M
Melamine
CAS #108-78-1

CharFlam® 400W
Melamine Cyanurate
CAS #37640-57-6
Wet manufacturing process

CharFlam® 300-DP
Di-Pentaerythritol
CAS #126-58-9

CharFlam® EG Series
Expandable Graphite
CAS #7782-42-5

ChlorFlam®

Chlorinated Flame Retardant-fine white powders. Synergy with ATO.
Contact us for more information regarding our ChlorFlam® products.

ChlorFlam® 250
Chlorinated FR
CAS #13560-89-9
Praticle Size ≤5 Microns

ChlorFlam® 700
Chlorinated Paraffin
CAS #63449-39-9

ChlorFlam® 350
Chlorinated FR 
CAS #1350-89-9
Particle Size: ≤3.5 Microns 

ChlorFlam® 520
Chlorinated FR
CAS #

FireBlend®

Our FireBlend® line offers low-cost alternatives to Antimony Trioxide. We produce these proprietary products domestically and tailor them to Flame Retardant requirements. 
Contact us for more information regarding our FireBlend® products.

FireBlend® 11
MAgnesium/Antimony/Zinc Complex
CAS #Proprietary Mixture

FireBlend® 33-A
Antimony/Zinc Complex 
CAS #Proprietary Mixture 

FireBlend® AF-100
Zinc/Magnesium Complex
CAS #Proprietary Mixture

FireBlend® AF-200
Zinc/Tin/MAgnesium Complex
CAS #Proprietary Mixture

MagFlam®

Description Coming Soon
Contact us for more information regarding our MagFlam® products.

MagFlam® MDH-1
Magnesium Hydroxide
CAS #1309-42-8

MagFlam® MDH-2
Magnesium Hydroxide
CAS #1309-42-8

MagFlam® MDH-3
Magnesium Hydroxide
CAS #1309-42-8

PhosGard®

St. Louis Group offers a wide range of liquid & powder phosphorus-based Flame Retardants. Many of our offerings include halogen-free options. 
Contact us for more information regarding our PhosGard® products.

PhosGard® 140
Tris (2-butoxyethyl) Phosphate
CAS #78-51-3

PhosGard® APP-SC
Ammonium Polyphosphate 
CAS #68333-79-9
Silane coated APP

PhosGard® 300
Phosphorus FR Blend
CAS #Proprietary

PhosGard® APP-WS
Ammonium Polyphosphate
CAS #68333-79-9

PhosGard® 325
Phosphorus FR Blend
CAS #Proprietary

PhosGard® BDP
Bisphenol A-bis(diphenylphosphate)
CAS #5945-33-5

PhosGard® 700
Phosphorus/Nitrogen Complex
CAS #Proprietary

PhosGard® CT
Methyl (5-methyl-2-methyl-1,3,2-dioxaphosphorinan-5-y) Ester
CAS #42595-45-9; 41203-81-0

PhosGard® 770
Phosphorus/Nitrogen Complex
CAS #Proprietary

PhosGard® MPP-POLY
Melamine Polyphosphate
CAS #218768-84-4

PhosGard® 1250
Diethyl Bis (2-hydroxyethyl) Aminomethyl Phosphate
CAS #2781-11-5

PhosGard® MPP-PYRO
Melamine Polyphosphate
CAS #15541-60-3

PhosGard® NH4
Butylated Triphenyl Phosphate Esters
CAS #Proprietary

PhosGard® 8100
Triaryl Isopropylated Phosphate
CAS #68937-41-7
Phosphorus Content: 8.1%

PhosGard® NH-410
Butylated Triphenyl Phosphate Esters
CAS #Proprietary
Extra-low fogging

PhosGard® 8300
Triaryl Isopropylated Phosphate
CAS #68937-41-7
Phosphorus Content: 8.3%

PhosGard® RDP
Tetraphenyl resorcinol bis(diphenyl phosphate) 
CAS #57583-54-7

PhosGard® APP
Ammonium Polyphosphate 
CAS #68333-79-9
General Purpose type II APP

PhosGard® TCPP
Tris (1-chloro-2-propyl) Phosphate
CAS #13674-84-5

PhosGard® APP-100
Ammonium Polyphosphate
CAS #68333-79-9
Type I APP

PhosGard® TDCP 
Tris (1,3-dichloroisopropyl) Phosphate
CAS #13674-87-8

PhosGard® APP-311
Intumescent APP blend
CAS #Proprietary

PhosGard® TEP
Triethyl Phosphate
CAS #78-40-0

PhosGard® APP-HP
Ammonium Polyphosphate 
CAS #68333-79-9
High Purity APP; n ≥ 1500

PhosGard® APP-MC
Ammonium Polyphosphate
CAS #68333-79-9
Melamine Coated APP