B&H's governmental regulations excuse is pure BS. Here is a list of the photographic chemicals that
Bostick & Sullivan will happily sell and ship to you every day of the week:
Aluminum Potassium Sulfate
Ammonium Chloride
Ammonium Citrate Dibasic
Ammonium Dichromate
Ammonium Dichromate 5% Sol.
Ammonium Ferric Oxalate
Ammonium Ferric Oxalate Sol. No. 1
Ammonium Ferric Oxalate Sol. No. 2
Ammonium Thiocyanate
Ammonium Thiocyanate Sol 2%
Ammonium Thiosulfate 60% Solution
Cadmium Bromide
Calcium Carbonate
Cesium Chloride
Chromium Potassium Sulfate (Chrome Alum)
Citric Acid
Citric Acid - 40% Solution
Collodion
Copper Chloride
Copper Sulfate
Cyanotype Sol A - Classic Formula
Cyanotype Sol B - Classic Formula
Developer - Kallitype Black
Developer for Pt-Pd- Ammonium Citrate
Developer for Pt-Pd- Cold Bath
Developer for Pt-Pd- Potassium Oxalate
Developer for Pt-Pd- Sodium Citrate
EDTA Tetra Sodium (B+S Clearing Agent)
Ethyl Ether
Ferric Ammonium Citrate
Ferric Nitrate
Ferric Oxalate - Dry Pack No. 1.
Ferric Oxalate - Dry Pack No. 2.
Ferric Oxalate Powder
Ferric Oxalate Sol. 20% - (Kallitype)
Ferric Oxalate Sol. No. 1 (for pt and pd)
Ferric Oxalate Sol. No. 2 (for pd or pt)
Ferrous Sulfate, FCC High Purity Grade
Ferrous Sulfate, Technical
Formaldehyde 37% Solution
Gallic Acid
Gelatin 250 bloom
Glacial Acetic Acid
Glycerin
Glyoxal 40% Sol. in water
Gum Arabic Powder
Gum Arabic Solution 14 Baume
Gum Sandarac
Hydroquinone
Lamp Black
Lavender Oil
Lead Citrate
Lithium Chloride
Lithium Ferric Oxalate
Magnesium Carbonate
Metol
Old Workhorse Collodion
Oxalic Acid
Phenidone
Phosphoric Acid
Polyvinyl Alcohol - 10% Solution
Potassium Bromide
Potassium Carbonate
Potassium Chlorate
Potassium Chloride
Potassium Cyanide
Potassium Dichromate
Potassium Dichromate - 10% Solution (For Gum)
Potassium Ferricyanide
Potassium Hydroxide
Potassium Iodide
Potassium Metabisulfite
Potassium Monobasic Phosphate
Potassium Nitrate
Potassium Oxalate Powder
Potassium Permanganate
Potassium Sodium Tartrate (Rochelle Salts)
Pumice Powder
Pyro PMK Developer A Solution
Pyro PMK Developer B Solution
Pyro Rollo Developer A Solution
Pyro Rollo Developer B Solution
Pyrocat HD Developer - 500 ml A&B
Pyrocatechol (Catechol, Pyrocatechin)
Pyrogallic Acid
Rapid Fixer
Selenium
Silane (Glass Coating Treatment)
Sodium Acetate
Sodium Bisulfite
Sodium Borate Decahydrate
Sodium Carbonate
Sodium Citrate
Sodium Diacetate
Sodium Dichromate
Sodium Ferric Oxalate
Sodium Formate
Sodium Hexametaphosphate
Sodium Hydroxide
Sodium Metaborate
Sodium Silicate
Sodium Sulfide
Sodium Sulfite
Sodium Thiocyanate
Sodium thiosulfate
Sodium Tungstate Dihydrate
Sodium Tungstate Solution 40%
Starch - Arrowroot Powder
Succinic Acid
Sulfamic Acid
Tannic Acid
Tartaric Acid
Thiodipropionic Acid
Thiourea Practical
Tween 20 10% sol
Tween 20 50% sol
So I'd rate B&H's statements as four Pinocchios, which, unfortunately, has become the new normal for civil discourse in the United States.