Chloral hydrate CAS:302-17-0 TCA (Chloral hydrate) (C2H3Cl3O2) CAS No. 302-17-0 Appearance: white crystal Assay: â?¥99% PH: 4.0-6.0 Chloride: â?¤0.01% Residue on ignition: â?¤0.1% Packing: 25kg/ fibre drum, inner lined with double-layer plastic bag Application: used as intermediates for pharmacy, electroplating and agriculture