Acrylonitrile (Vinyl cyanide)

Box of Colorimetric Tubes.  128SA = 3 year, 128SB - 2 year, 128SC/CD = 1 year shelf life from date of manufacture.

128SA/SB are 10 tubes per box.  Each sample uses 1 tube. 10 samples total.

128SC/SD are 2x 5 tubes per box.  Each sample uses 2 tubes.  5 samples total

128SC/SD must be stored in a refrigerated place (0-10°C/32-50°F).