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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Toxicological information

Direct observations: clinical cases, poisoning incidents and other

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Administrative data

Endpoint:
direct observations: clinical cases, poisoning incidents and other
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Case study with limited information on individual patient who ingested phosphoric acid.

Data source

Reference
Reference Type:
publication
Title:
Liquid Caustic Ingestion. Spectrum of Injury.
Author:
Cello JP, Fogel RP, Boland CR
Year:
1980
Bibliographic source:
Arch Intern Med - Vol 140, pages 501-504

Materials and methods

Study type:
clinical case study
Endpoint addressed:
not applicable
Principles of method if other than guideline:
Patients who ingested liquid caustics were reviewed for location, extent, severity, and outcome of the mucosal injury.
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Orthophosphoric acid
EC Number:
231-633-2
EC Name:
Orthophosphoric acid
Cas Number:
7664-38-2
Molecular formula:
H3O4P
IUPAC Name:
phosphoric acid
Details on test material:
- Name of test material (as cited in study report): phosphoric acid

Method

Subjects:
- Number of subjects exposed: 1
- Sex: male
- Age: 42 years
- Race: no data
- Demographic information: no data
- Known diseases: no data
Route of exposure:
oral
Reason of exposure:
other: suicide attempt
Exposure assessment:
not specified

Results and discussion

Clinical signs:
In the patient who ingested phosphoric acid, hematemesis and oral pharyngeal burns were observed.
Extent and severity of injury - Endoscopy and/or surgery: moderate distal esophagitis (esophagus), severe proximal gastritis (stomach), normal duodenum.

Any other information on results incl. tables

The patient was unavailable for follow-up.

Applicant's summary and conclusion

Conclusions:
In the patient who ingested 240 mL phosphoric acid, hematemesis and oral pharyngeal burns were observed.
Extent and severity of injury - Endoscopy and/or surgery: moderate distal esophagitis (esophagus), severe proximal gastritis (stomach), normal duodenum.