| 3/25/2018 | 293139500000 | "HEDP 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID (-)"
| 23200 | Kilogram | 23682.95 | N/A | KIM-PAZ KIMYEVI MADDELER SANAYI VE TICARET A.S. |
| 3/14/2018 | 293139500000 | 1-HYDROXYETHYLIDENE-1.1-DIPHOSPHONIC ACID (HEDP) 60%
| 46400 | Kilogram | 51043.6 | N/A | BRENNTAG KIMYA TIC.LTD.STI. |
| 3/8/2018 | 293139500000 | "HEDP 1-HYDROXYETHYLIDENE-1,1-DIPHOSPHONIC ACID (CHEMICAL MATERIAL)"
| 22500 | Kilogram | 24028.6 | N/A | ACAR KIMYA ANONIM SIRKETI |
| 3/19/2018 | 293139500000 | HEDP-1-HYDROXY ETHYLIDENE-1 1-DIPHOSPHONIC ACID
| 47200 | Kilogram | 49091.6 | N/A | ARKEM KIMYA SAN.VETIC.A.S. |
| 3/11/2018 | 293139500000 | "HYDROXY ETHYLIDENE-1,1-DIPHOSPHONIC ACID (HEDP)"
| 91840 | Kilogram | 95317.84 | N/A | VESER KIMYEVI MAD.A.S. |
| 3/8/2018 | 293139500000 | DIPHOSPHONIC ACID (DIPHOSPHONIC ACID)
| 25200 | Kilogram | 26791.2 | N/A | ERCA GROUP KIMYA SANAYI VE TICARET ANONIM SIRKETI |
| 3/13/2018 | 293190009068 | "TEXTILE AUXILIARY CHEMICAL [AMINO TRIMETHYLENE PHOSPHONIC ACID (ATMP) 50%] * (HYDROXY ETHYLIDENE-1,1- DIPHOSPHONIC ACID (HEDP) 60%) *"
| 22500 | Kilogram | 24195.65 | N/A | GENKIM GENEL ENDÜTRIYEL KIMYEVI MADDELER SANAYI VE TICARET LIMITED SIRKETI |
| 3/8/2018 | 293139500000 | "1-HYDROXY ETHYLIDENE-1,1-DIPHOSPHONIC ACID (HEDP) 60% (CHEMICAL SUBSTANCE)"
| 22400 | Kilogram | 23639.6 | N/A | ACAR KIMYA ANONIM SIRKETI |
| 3/7/2018 | 293139500000 | HYDROXY ETHYLIDENE-1 DIPHOSPHONIC ACID 60%
| 48000 | Kilogram | 52003.42 | N/A | VESKIM KIMYEVI MADDE ITHALAT IHRACAT ANONIM SIRKETI |
| 3/29/2018 | 293139500000 | HYDROXY ETHYLIDENE 1-1 DIPHOSPHONIC ACID (HEDP) 60%
| 46400 | Kilogram | 49651.6 | N/A | COSMER KIMYA SANAYI VE TICARET ANONIM SIRKETI |