# PHMSA Hazmat Incident X-2023020206 — ACETIC ANHYDRIDE — KEATCHIE, LA

**Citation:** PHMSA Hazmat Incident X-2023020206  
**Type / status:** incident / historical  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2023-01-27  
**Published:** Not stated

Serious reporter-submitted hazardous materials transportation incident on 2023-01-27 in KEATCHIE, LA.

## Document text

PHMSA hazardous materials incident report X-2023020206.
Incident date: 2023-01-27.
Location: KEATCHIE, LA.
Mode: Rail.
Carrier/reporter: UNION PACIFIC RAILROAD.
Shipper: Eastman Chemical.
Materials: UN1715; ACETIC ANHYDRIDE; hazard class 8; 11713 LGA released | UN3463; PROPIONIC ACID WITH NOT LESS THAN 90% ACID BY MASS; hazard class 8; 200 LGA released | UN3463; PROPIONIC ACID WITH NOT LESS THAN 90% ACID BY MASS; hazard class 8; 50 LGA released.
What failed: Air Inlet; Liquid Valve.
How failed: Leaked; Leaked.
Reported failure causes: Derailment; Derailment.
Reported result: Spillage.
Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.

## Provenance

- Official: Yes
- Source: <https://portalpublic.phmsa.dot.gov/analytics/saw.dll?Portal?PortalPath=/shared/Public%20Website%20Pages/_portal/Hazmat%20Incident%20Report%20Search>
- Source ID: `phmsa-hazmat-incidents`
- SHA-256: `73f6b6f71ca558d81e8d32c59d21ce0ca1414e85806d1aeb0c5afb8ba39ff394`
- Retrieved: 2026-08-13T12:55:56.545Z
- Exported: 2026-08-25T06:21:46.835Z
- Document slug: `phmsa-hazmat-incident-x-2023020206`

### Source metadata

```json
{
  "materialSubtype": "phmsa_hazmat_serious_incident",
  "reportNumber": "X-2023020206",
  "operatorReported": true,
  "serious": true,
  "finalAgencyFinding": false,
  "eventDescriptionExcluded": true,
  "publicPdfUrl": null,
  "rowCount": 3,
  "carrierReporterNames": [
    "UNION PACIFIC RAILROAD"
  ],
  "shipperNames": [
    "Eastman Chemical"
  ],
  "routes": [
    "Lufkin Sub 207.28"
  ],
  "cities": [
    "KEATCHIE"
  ],
  "states": [
    "LA"
  ],
  "originCities": [],
  "modes": [
    "Rail"
  ],
  "materials": [
    {
      "identificationNumber": "UN1715",
      "commodityName": "ACETIC ANHYDRIDE",
      "hazardousClass": "8",
      "quantityReleased": "11713",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN3463",
      "commodityName": "PROPIONIC ACID WITH NOT LESS THAN 90% ACID BY MASS",
      "hazardousClass": "8",
      "quantityReleased": "200",
      "unitOfMeasure": "LGA"
    },
    {
      "identificationNumber": "UN3463",
      "commodityName": "PROPIONIC ACID WITH NOT LESS THAN 90% ACID BY MASS",
      "hazardousClass": "8",
      "quantityReleased": "50",
      "unitOfMeasure": "LGA"
    }
  ],
  "packages": [
    {
      "identificationMarkings": "111A100W6",
      "outerMaterial": null,
      "outerType": null,
      "outerCapacity": "21030",
      "outerCapacityUnit": "LGA",
      "outerShipmentCount": "1",
      "outerFailedCount": "1",
      "innerMaterial": null,
      "innerType": null,
      "innerCapacity": "0",
      "innerCapacityUnit": null,
      "innerShipmentCount": "0",
      "innerFailedCount": "0"
    }
  ],
  "reportingRuleContext": [
    "171.15",
    "171.16"
  ],
  "caveat": "Reporter-submitted DOT Form 5800.1 data may be incomplete, corrected, supplemented, or misreported. A record, serious-incident classification, failure description, or relationship to a reporting rule is not a PHMSA causal finding, compliance determination, or finding of a violation.",
  "privacyCaveat": "The public CSV excludes preparer contact fields. Event Description is intentionally excluded from normalized records and search output to reduce incidental personal-information risk.",
  "jurisdiction": "US"
}
```