Runa Chemicals Pvt. Ltd. Offers Hydrochloric Acid in Colorless to Light Yellow Color. Runa Chemicals Pvt. Ltd. Is an ISO 9001:2000 and 14001:2004 registered company. Runa Chemicals Pvt. Ltd. Supplies high purity laboratory chemicals. Hydrochloric Acid in Colorless to Light Yellow Color is treated with magnesium boride which produces spontaneously flammable gas. Hydrochloric Acid in Colorless to Light Yellow Color Is available in pungent irritating odor and appears in liquid form. Cesium acetylene carbide burns hydrogen chloride gas. Cesium carbide ignites in contact with hydrochloric acid unless acid is diluted.