This one was used in Tahrir December 16, after authorities had forbidden use of tear gas on protesters. Photo by @occupyindianapo
Though the marking is abit unclear do to he small size of the photo. One can see the logo it is Combined Tactical systems.
Probably this one. (Though, not 100% confirmed!)
Outdoor Projectiles (100 M) – Description
Specification sheet – 4230
Material Data Safety sheet – MDSD
This grenade-like suspected tear gas canister was thrown directly at a protester in Palestine. Photo via @dalsaafin via @Catherina_News
This does not display any ID, but its morphology points in direction of something like this – by less lethal.
If you have more info on this one. Please make a comment or tweet at @tg_id
M-518 Riot CS gas canister, photo by @toriaar
Defense technology: Riot control CS (Package look different but its supposed to same item)
MSDS: Riot Control Grenad – 1082
*The reason the numbers on picture and data sheet are different is probably due to company changing naming-systems. Its still belived to be the same product (as evident by link below). If you have information otherwise, please leave a comment.
Riot control: Specification manual (2006)